Indigenous Defence Systems: BrahMos, Akashteer & the New Warfare Doctrine

Core Concept & Definition

What Are Indigenous Defence Systems?

Indigenous defence systems are weapons platforms, command networks, and enabling technologies that are designed, developed, and manufactured within India, reducing strategic dependence on foreign suppliers and reinforcing what Prime Minister Modi has termed the "Aatmanirbhar Bharat" vision in defence. The three systems at the core of this topic — BrahMos, Akashteer, and loitering munitions — represent three distinct but complementary domains: precision offensive strike, autonomous defensive command-and-control, and asymmetric drone-based warfare respectively.

The strategic logic for indigenisation rests on four pillars: supply security (no foreign embargo risk), cost efficiency (domestic manufacturing drives down per-unit costs over time), technological diffusion (defence R&D spills over into civilian sectors), and geopolitical signalling (a nation that builds its own weapons is less coercible). These pillars directly connect to India's broader internal security doctrine, which has evolved from reactive restraint to proactive deterrence.

Conceptual Debate: "Indigenous" vs. "Indigenised"

A critical analytical distinction for Mains answers is between truly indigenous systems and indigenised systems. BrahMos, while an Indo-Russian joint venture with India holding a 50.5% stake, is often categorised as indigenised rather than purely indigenous because it is derived from Russia's P-800 Oniks cruise missile technology. Akashteer, by contrast, was developed by BEL in collaboration with DRDO and ISRO using domestic systems including ISRO's Cartosat-3 satellites and NavIC navigation — making it closer to a genuinely indigenous system. Nagastra-1 loitering munition (by Solar Industries/EEL) claims over 75% indigenous content. This distinction matters for UPSC because it reflects the tension between strategic urgency (use what works now) and long-term self-reliance (build from scratch).

🏭 Indigenised Systems (Joint Venture)

BrahMos — Indo-Russian JV (50.5% India)
HAROP/Harpy — Israeli IAI, produced/operated in India
SkyStriker — Elbit + Alpha Design Technologies (India co-produce)
S-400 Sudarshan Chakra — Russian origin, Indian integration
Based on foreign core technology; India adds integration layer

🇮🇳 Truly Indigenous Systems

Akashteer — BEL + DRDO + ISRO (fully domestic)
Nagastra-1 — Solar Industries/EEL (75%+ indigenous)
Akash SAM — DRDO/BDL (96% indigenous)
Pinaka MLRS — DRDO + Tata Advanced Systems
Designed and developed from Indian requirements up

📌 Conceptual Anchor

The Defence Acquisition Procedure (DAP-2020) creates five procurement categories. The highest — Indian-IDDM (Indigenously Designed, Developed and Manufactured) — requires a minimum of 50% indigenous content and prioritises domestic R&D ownership. Akashteer and Nagastra-1 fall under this category; BrahMos falls under the lower "Buy & Make (Indian)" category.

⚠ Answer-Writing Trap

Do not conflate making in India (manufacturing under licence) with innovation in India (design ownership). UPSC increasingly asks about the quality of indigenisation, not just its existence. An answer that only lists systems without analysing the depth of technology transfer will score poorly in GS-III analytical questions.

The core analytical tension in this topic is between strategic urgency (deploy what works now, even if partly imported) and long-term sovereign capability (build from first principles, even if slower). India's current approach — a tiered ecosystem from joint ventures to fully indigenous — is a pragmatic but imperfect resolution of this tension.

Constitutional & Legal Background

Constitutional Framework: Where Defences Sits

Defence and national security are firmly within Parliament's exclusive domain. Article 246 read with the Seventh Schedule, Union List, Entry 1 vests legislative competence on "Defence of India and every part thereof including preparation for defence and all such acts as may be conducive in times of war to its prosecution and after its termination to effective demobilisation" exclusively in Parliament. This means state governments have no concurrent jurisdiction over defence procurement, manufacture, or deployment — a critical structural fact that has shaped the centralised nature of India's defence-industrial ecosystem (DRDO, DPSUs, OFB corporatisation).

Article 352 (National Emergency) expands Parliament's powers to legislate even on State List subjects during war or external aggression, and the Defence and Internal Security of India Act, 1971 was enacted under this provision. Article 33 empowers Parliament to restrict Fundamental Rights of armed forces personnel, enabling the discipline and secrecy regimes that govern defence R&D. Article 51A(a) (Fundamental Duty to defend the country) provides the normative basis for citizen participation in indigenous defence manufacturing.

Policy and Legislative Framework

Unlike most democracies, India lacks a dedicated National Security Act that comprehensively governs defence policy, procurement, and oversight. This legislative vacuum has significant consequences: decisions on systems like BrahMos export approvals, Akashteer deployment timelines, and loitering munition induction happen through executive orders, Cabinet Committee on Security (CCS) approvals, and Defence Acquisition Council (DAC) decisions — largely outside parliamentary scrutiny.

The primary policy instruments governing indigenous defence development are the Defence Acquisition Procedure (DAP)-2020, the Defence Production and Export Promotion Policy (DPEPP)-2020, the Innovations for Defence Excellence (iDEX) framework, and the two Positive Indigenisation Lists (first issued August 2020, expanded since) which place an import embargo on increasingly sophisticated platforms.

Key Constitutional & Legislative Provisions — Indigenous Defence
Provision	Content	Relevance to Indigenous Defence
Art. 246 + Union List Entry 1	Defence is Parliament's exclusive domain	Centralised procurement via MoD, DRDO, DPSUs; no state-level defence law
Art. 246 + Union List Entry 64	Offences against laws on Union List subjects	Governs Official Secrets Act applicability to defence R&D
Art. 51A(a)	Fundamental Duty to defend India	Normative basis for Aatmanirbharta in defence
Art. 352	National Emergency (war/external aggression)	Emergency procurement powers used for Nagastra-1, loitering munitions in 2024–25
DAP-2020	Defence procurement preference to Indian-IDDM	Governs Akashteer contract (₹1,982 cr), ADGS procurement
DPEPP-2020	Target: ₹1.75 lakh cr production + ₹35,000 cr exports by 2025	Framework for BrahMos exports to Philippines, Indonesia
iDEX Scheme	Innovations for Defence Excellence — startup grants	619 startups, 430 contracts as of Feb 2025; Nagastra-1 ecosystem

🔍 Critical Analysis — Gaps in Law

India's defence-industrial framework suffers from three structural legal gaps that UPSC frequently probes:

No National Security Doctrine: Unlike the US (National Security Strategy), UK (Integrated Review), or China (Military Strategic Guidelines), India has no publicly released, legally grounded National Security Doctrine. This means procurement priorities remain opaque and politically driven.
Parliamentary Oversight Deficit: The Parliamentary Standing Committee on Defence has limited visibility into classified procurement (e.g., BrahMos NG timelines, Akashteer deployment status). The Official Secrets Act, 1923 — a colonial-era legislation — remains the primary information-shield, with no modern whistleblower protection for defence R&D personnel.
Emergency Procurement Paradox: The Nagastra-1 was inducted under Emergency Procurement Powers, bypassing the regular procurement process. While strategically necessary, this route circumvents field trials, creating quality and accountability risks. Carnegie Endowment's October 2025 analysis specifically noted that emergency procurements have "become the preferred route as the regular procurement process remains cumbersome."

The constitutional architecture firmly centralises defence in Parliament/executive, but the absence of a publicly debated National Security Doctrine and over-reliance on emergency procurement powers create accountability deficits that an analytically rigorous Mains answer must flag.

Origin & Evolution

Why Did Indigenous Defence Capability Emerge When It Did?

India's drive for indigenous defence capability was not born of strategic wisdom alone — it was catalysed by painful foreign-supply failures. The 1965 and 1971 wars exposed India's dependence on Western arms, which came with political conditionalities. The Soviet collapse in 1991 disrupted spare parts supply for MiG jets, rendering a significant portion of the IAF non-operational. The Kargil War (1999) revealed critical gaps in surveillance, long-range precision strike, and night-vision capabilities. Each of these failures became the mother of an indigenisation push — but the push was slow, episodic, and poorly funded until the Modi government's structural reforms from 2014 onwards.

1983

Integrated Guided Missile Development Programme (IGMDP) launched under Dr. A.P.J. Abdul Kalam — produced Prithvi, Agni, Trishul, Akash, Nag missiles. India's first serious indigenous missile programme.

1998

Inter-Governmental Agreement signed in Moscow on February 12 between DRDO and Russia's NPO Mashinostroyenia — founding of BrahMos Aerospace Private Limited. India holds 50.5%, Russia 49.5%.

2001

BrahMos first successful test launch. Sea-launched version commissioned in Indian Navy by 2006, making India the only non-P5 country with a supersonic cruise missile in active service.

2016–19

India joins MTCR (Missile Technology Control Regime) in 2016 — unlocks BrahMos range extension beyond 300 km to 450–800 km. Air-launched BrahMos (BrahMos-A) integrates with Su-30MKI; first test-fired November 2017, enters IAF service 2019.

2020

MoD announces first Positive Indigenisation List (101 items) — import embargo on progressively complex systems. DAP-2020 replaces DPP-2016. Defence budget earmarks 64% of capital acquisition for domestic procurement.

2022–23

BrahMos first export: Philippines signs ₹3,500 cr (~$375 mn) contract for 3 coastal defence batteries — India's first major precision-weapon export. Akashteer contract of ₹1,982 cr signed with BEL in March 2023.

2024

Nagastra-1 — India's first indigenous loitering munition — delivered to Indian Army (120 units initially; 480 total order). Akashteer phased induction begins: 107 of 455 systems delivered by November 2024.

May 2025

Operation Sindoor (May 7–10): First live combat use of BrahMos (air-launched from Su-30MKI), Akashteer (intercepted 600+ Pakistani drones in single volley), loitering munitions (Harop, Nagastra-1, SkyStriker). India coerces Pakistan into ceasefire by May 10 — a defining doctrinal shift.

2025–26

Post-Sindoor: Accelerated BrahMos-NG development (flight trials targeted 2026); India–Philippines Strategic Partnership (Aug 2025); Indonesia finalising $450 mn BrahMos deal; Indian Army procuring 83 tracked carriers for Akashteer deployment in armoured zones (May 2026).

Global Comparative Context — Lessons India Internalised

India's loitering munition and integrated air defence development did not happen in a vacuum — it drew heavily from three watershed global events. The 2020 Nagorno-Karabakh War was the first conflict "won primarily by robotic systems" (military historian John Antal), where Azerbaijan deployed Israeli Harop loitering munitions to systematically destroy Armenia's Soviet-legacy air defences. India, which already operated Harops, took note. The Russia-Ukraine War (2022–) demonstrated both the offensive utility of mass-produced cheap drones (Iran's Shahed-136 deployed by Russia) and the defensive necessity of automated, layered air defence. India's investment in Akashteer was directly influenced by watching Ukraine's air defence architecture. The Israel-Gaza conflict validated the Iron Dome concept of AI-driven, layered missile defence — which India sought to replicate domestically through Akashteer's integration with Akash, MRSAM, and S-400.

India's indigenisation journey moved from crisis-reactive (post-1965, post-Kargil) to structurally proactive (DAP-2020, iDEX, Positive Lists) and was finally operationally validated in May 2025 — making Operation Sindoor the analytical watershed that all Mains answers on this topic must reference.

Factual Dimensions

Mach 2.8–3

BrahMos Speed

450–800 km

BrahMos Range (post-MTCR)

₹1,982 cr

Akashteer Contract Value

455 units

Akashteer Total Order

₹7.86 lakh cr

India Defence Budget FY26

₹23,622 cr

Defence Exports FY25

75%+

Nagastra-1 Indigenous Content

600+

Drones Intercepted in One Volley (Op Sindoor)

Data Interpretation — What These Numbers Mean for India

The FY26 defence budget of ₹7.86 lakh crore represents approximately 1.9–2.2% of GDP — below the standard benchmark of 3% recommended by defence analysts for a country with India's threat environment. Critically, however, the composition of the budget matters more than the size: the MoD's decision to earmark 65% of capital acquisition for domestic procurement means that India's defence-industrial ecosystem is receiving structural demand, not just rhetorical encouragement. This is what enabled BEL to deliver Akashteer, Solar Industries to develop Nagastra, and BrahMos Aerospace to plan next-generation variants.

The defence export figure of ₹23,622 crore in FY25 is impressive as a trend (up from ₹686 crore in FY2014, a 34x increase in a decade) but remains modest in global terms. The US exports defence goods worth over $238 billion annually; India is not yet a Tier-1 exporter. The strategic significance of BrahMos exports to the Philippines (3 batteries, $375 mn) and the near-finalised Indonesia deal ($450 mn) lies not primarily in revenue but in geopolitical signalling — India as a credible, non-conditioned defence supplier in the Indo-Pacific.

System-wise Technical Specifications — Key Indigenous Defence Platforms
System	Speed / Range	Developer / Manufacturer	Indigenous Content	First Combat Use
BrahMos (PJ-10)	Mach 2.8–3.0 / 290–800 km (extended)	BrahMos Aerospace (DRDO + NPOM Russia JV)	~50.5% (increasing with Indian seeker, navigation)	Operation Sindoor, May 2025
Akashteer	Coverage ~300 km; real-time C2	BEL + DRDO + ISRO (NavIC, Cartosat)	~100% (fully Indian)	Operation Sindoor defensive role, May 2025
Nagastra-1	Range: 15 km (manual) / 30 km (autonomous); 60 min endurance	Economic Explosives Ltd (Solar Industries + Z-Motion)	75%+	Operation Sindoor, May 2025
HAROP (Israeli, India-operated)	Range: 200+ km; endurance 9 hrs	IAI (Israel) — imported	Minimal (imported system)	Operation Sindoor (8 Pakistani AD sites struck)
SkyStriker	Range 500 km; 30 kg warhead	Elbit Systems (Israel) + Alpha Design Technologies (India) — co-produced	~40–50% (co-produced)	Operation Sindoor, May 2025
Akash SAM	Range: 4.5–25 km; Mach 2.5	DRDO / BDL	96% (highest among air-defence systems)	Active in layered defence, Operation Sindoor

🔍 Critical Analysis — Gaps & Challenges

Scale deficit: India inducted 480 Nagastra-1 loitering munitions under emergency procurement — Ukraine and Russia are deploying hundreds of thousands of drones monthly. India's volumes pale in comparison to what a sustained two-front conflict would demand.
Semiconductor dependency: Akashteer and Nagastra-1 depend on electro-optical sensors, AI processors, and communication chips — many of which are still imported. India's domestic semiconductor production is nascent (first 3-nm chip design centres opened in 2025).
Procurement cycle lag: ADGS (anti-drone gun systems) to replace L-70 guns are still undergoing trials as of May 2026 — evaluation scheduled for July 2026. This cycle length is incompatible with the pace of modern drone threat evolution.
BrahMos-II delay: The hypersonic BrahMos-II (Mach 6–8) faces "prohibitive costs and tech-transfer hurdles." Full development targeted for late 2027; BrahMos-NG flight trials expected 2026.

India's indigenous defence sector has achieved a proof-of-concept threshold through Operation Sindoor — but transforming that proof into sustained, high-volume, technologically sovereign capability requires resolving the scale, semiconductor, and procurement speed deficits that are India's most pressing defence-industrial challenges.

Landmark Cases & Doctrinal Precedents

On the Judicial Side: National Security and Fundamental Rights

While there are no Supreme Court judgments specifically on BrahMos or Akashteer (defence system deployment is an executive/military domain), the judicial jurisprudence on national security, emergency powers, and the limits of executive secrecy in defence matters is critical context for UPSC Mains answers. Courts have consistently held that national security can justify reasonable restrictions on fundamental rights — but have also insisted on procedural safeguards against abuse.

⚖ Landmark Judgment

Ram Jethmalani v. Union of India (2011) — SC held that national security cannot be a blanket excuse for non-disclosure in matters of public interest; the state must demonstrate a tangible security threat to justify secrecy. Ratio: The right to information has presumptive force even in defence matters, rebuttable by specific harm demonstration. Relevance: Framework for demanding accountability in defence procurement despite Official Secrets Act.

⚖ Landmark Judgment

PUCL v. Union of India (1997) — SC laid down procedural guidelines for encounter killings by security forces, establishing that Article 21 (right to life) applies even in internal security operations. Ratio decidendi: Security forces are not above constitutional scrutiny; any use of lethal force must be proportionate and subject to inquiry. Relevance: As India deploys autonomous loitering munitions, the proportionality doctrine acquires new salience — who is legally accountable for an AI-driven targeting decision?

⚖ Landmark Judgment

SC Verdict on Article 370 Abrogation (December 11, 2023) — 5-judge bench upheld the constitutional validity of August 2019 abrogation and Jammu & Kashmir's full integration. Ratio: Parliament's sovereign power over territorial and governance matters is plenary; the Presidential Proclamation was constitutionally valid. Direct Relevance: The J&K integration context was the proximate political factor enabling India's assertive posture in Operation Sindoor — a point directly noted by strategic analysts (Brig Advitya Madan, Carnegie Endowment).

Doctrinal Precedents in India's Strike History

Operation Sindoor (May 2025) must be understood as the culmination of an escalating ladder of doctrinal precedents, each of which expanded India's self-defined right to respond to cross-border terrorism: the 2016 surgical strikes across the LoC, the 2019 Balakot air strike (first aerial strike inside Pakistan since 1971), and finally Operation Sindoor — which struck deep into Pakistan's Punjab heartland at Bahawalpur and Muridke using BrahMos cruise missiles. PM Modi's May 12, 2025 declaration that India would henceforth respond militarily to terrorism and that Pakistan's nuclear threats would not deter India constituted what analysts at War on the Rocks described as a "stark departure from Indian practice a decade ago."

⚖ International Law Context — Doctrinal Significance

UN Charter Article 51 (Right of Self-Defence) — India justified Operation Sindoor under the self-defence doctrine against non-state actors operating from Pakistani territory, invoking the precedent established by the US post-9/11 (and consistent with the SC's ruling in the Nicaragua Case framework on state responsibility for non-state armed groups). The operation's targeting of both terrorist infrastructure AND Pakistani military assets (airbases) was legally and doctrinally unprecedented for India, signalling a deliberate expansion of the self-defence doctrine to include state sponsors of terrorism.

🔍 Critical Analysis — Autonomous Weapons and Legal Accountability

The deployment of AI-enabled systems like Akashteer (autonomous target engagement without human intervention) and loitering munitions raises a foundational legal question that India, like most nations, has not resolved: Who bears legal accountability for a wrongful kill by an autonomous weapon system? International Humanitarian Law (IHL) requires distinction (between combatant and civilian) and proportionality — requirements that an AI system may satisfy statistically but not ethically in every instance. India has not ratified or signed any international instrument on autonomous weapons, and DRDO's nine thrust areas do not include a dedicated ethics-in-AI-weaponry programme. This gap is likely to feature in future UPSC essays and Mains questions on the intersection of technology, law, and national security.

The legal and doctrinal landmarks around indigenous defence systems converge on a single analytical point: India has expanded both its sovereign capability and its doctrinal willingness to use it — but the legal architecture governing accountability, oversight, and international law compliance has not kept pace with the technology.

Key Features & Provisions

BrahMos — The Precision Strike Anchor

BrahMos is the world's fastest supersonic cruise missile in active service, operating on a "Fire and Forget" principle — once launched, it requires no further guidance from the operator, making it immune to jamming. It cruises at altitudes up to 15 km and drops to a terminal altitude as low as 10 metres in sea-skimming mode, making interception extremely difficult even for advanced air defence systems. The 200–300 kg conventional warhead, combined with kinetic energy from Mach 3 speed, enables it to penetrate reinforced bunkers — a capability demonstrated against Pakistani airbase infrastructure in Operation Sindoor. Crucially, BrahMos is tri-service: deployed on Army mobile launchers, Navy destroyers and frigates, and IAF Su-30MKI jets (40 aircraft modified, each carrying one 2.5-tonne missile).

Akashteer — India's AI-Driven Defensive Umbrella

Akashteer (Sanskrit: "Sky Arrow") is a fully automated Air Defence Control and Reporting System developed by Bharat Electronics Limited (BEL) in collaboration with DRDO and ISRO. Its defining feature is AI-driven autonomous target engagement — unlike conventional air defence systems that require human confirmation at each engagement step, Akashteer can detect, track, classify, and direct engagement against incoming threats (drones, missiles, loitering munitions) without human intervention in the loop. This reduces reaction time from seconds to milliseconds, critical when facing a simultaneous volley of hundreds of drones.

The system integrates ISRO's Cartosat-3 and RISAT-2 satellites, NavIC navigation, ground-based radars, and mobile command units into a single common operating picture accessible to the lowest operational unit of Army air defence. It is plugged into the IAF's Integrated Air Command and Control System (IACCS) and the Navy's TRIGUN network — creating a genuinely joint, tri-service air defence architecture. During Operation Sindoor, Akashteer achieved a reported 100% interception rate against all incoming Pakistani drone and missile threats, including a single volley of 600+ drones.

Loitering Munitions — The Asymmetric Game-Changer

Loitering munitions (also called kamikaze drones or suicide drones) are aerial weapons that combine the persistent surveillance of a UAV with the terminal strike capability of a guided missile. Unlike a conventional missile that follows a fixed trajectory, a loitering munition can orbit a target area for 30 minutes to 9 hours, identify the optimal moment or target, and then dive-strike. This makes them uniquely effective against time-sensitive, mobile, or high-value targets — radar systems, command posts, mobile missile launchers, armoured vehicles. India deployed multiple types in Operation Sindoor: the Israeli HAROP (nine hours endurance, anti-radiation capability — destroyed 8 Pakistani air defence sites on May 8), the co-produced SkyStriker, and the indigenous Nagastra-1.

✅ Strengths of India's Indigenous Defence Ecosystem

BrahMos proven in live combat; export-ready with growing buyer list
Akashteer's 100% interception rate in Operation Sindoor
Tri-service jointness operationally demonstrated for the first time
iDEX ecosystem producing commercially viable startups (619 companies)
Defence exports grew 34x from FY14 to FY25
Strategic autonomy enhanced; less coercible by foreign suppliers

⚠ Weaknesses & Implementation Gaps

Scale of drone production far below China, Russia, Ukraine, Iran
Semiconductor/sensor import dependency remains high
BrahMos-II (hypersonic) delayed to late 2027 at earliest
Emergency procurement bypass creates quality & accountability risks
Private sector contributes only 20.8% of defence output (FY24)
No National Security Doctrine; procurement remains politically opaque

🌱 Way Forward — Policy Recommendations

Publish a National Security Doctrine — to provide strategic coherence to defence R&D priorities and reduce ad hoc procurement.
Expand Akashteer to all theatre commands — current deployment (455 systems) covers only Army AD; full tri-service integration, especially for LAC and maritime theatre, is pending.
Scale loitering munition production — India needs a dedicated Drone Warfare Command and multi-thousand unit annual production capacity to match adversary volumes.
Build domestic semiconductor supply chain — India Semiconductor Mission (2021, ₹76,000 cr) must prioritise defence-grade sensors and AI chips to reduce the critical import dependency in autonomous weapon systems.
Establish an AI Ethics in Warfare framework — engage with IHL obligations on autonomous weapons before the international community imposes external standards that constrain India's autonomy.
Reform procurement timelines — Carnegie Endowment's October 2025 report specifically noted that "emergency procurements have become the preferred route as the regular procurement process remains cumbersome." Reforming the regular cycle is the structural solution.

The key features of India's three flagship indigenous systems collectively represent a qualitative leap in precision strike, autonomous defence, and asymmetric warfare — but transforming operational success (Operation Sindoor) into a durable, scalable, technologically sovereign capability requires institutional and policy reforms that go well beyond the weapons themselves.

Analytical Inter-linkages

1. Nuclear Deterrence & the Sub-Conventional Space

The most analytically significant inter-linkage is the relationship between India's precision conventional strike capability (BrahMos, loitering munitions) and the nuclear deterrence equation in South Asia. Pakistan has long relied on the "nuclear shield" thesis — that its nuclear arsenal would deter India from conventional military response to sub-conventional provocations (terrorism, cross-border infiltration). Operation Sindoor structurally challenged this thesis by demonstrating that India could deliver precise, lethal conventional strikes using indigenous systems while controlling escalation and avoiding a nuclear exchange. PM Modi's May 12, 2025 declaration that "Pakistan's nuclear threats would not deter India" marks the most explicit public articulation of India's rejection of the nuclear shield doctrine. This changes the strategic calculus not just with Pakistan but also in India's deterrence posture vis-à-vis China.

2. Aatmanirbhar Bharat — Defence as Economic Policy

The indigenisation of defence is not merely a security imperative — it is an economic and industrial policy instrument. The Defence Industrial Corridors in Uttar Pradesh (UPDIC) and Tamil Nadu (TNDIC) are designed to attract ₹53,439 crore in investment and create defence-industrial ecosystems with civilian spillover. The iDEX programme has generated 619 startups — many working on AI, drone technology, and sensors — that will eventually serve civilian markets. Defence production of ₹1.27 lakh crore in FY24 and exports of ₹23,622 crore in FY25 represent a meaningful contribution to India's manufacturing GDP. Goldman Sachs estimates India's private defence firms will deliver 32% annual EPS growth between FY25 and FY28 — a figure that signals how deeply defence indigenisation has become integrated into India's economic growth story.

3. Geopolitics — Indo-Pacific and the Anti-China Dimension

BrahMos exports to the Philippines and the near-finalised Indonesia deal are not merely commercial transactions — they are instruments of India's Act East Policy and its strategy of building a network of BrahMos-equipped allies in the South China Sea littoral. A Philippines or Indonesia armed with BrahMos can credibly threaten Chinese naval assets (PLAN surface vessels) from standoff distances, complicating Beijing's operational planning in the first and second island chains. India's interest in positioning itself as a reliable, non-conditioned defence supplier directly contrasts with China's arms diplomacy (which comes with political strings) and Western suppliers' human rights conditionalities.

4. AI, Autonomy, and the Revolution in Military Affairs

Akashteer represents India's entry into what strategists call the Revolution in Military Affairs (RMA) 2.0 — the integration of AI, real-time big-data processing, autonomous decision-making, and networked sensor-shooter architectures. The system's ability to coordinate simultaneous strikes on multiple targets while processing inputs from satellites, ground radars, and mobile units — without human intervention — mirrors the "kill web" architecture that the US military calls Joint All-Domain Command and Control (JADC2). India's parallel development of a swarm drone capability (75-drone swarm demonstrated; NewSpace Research & Technologies developing 100-drone AI-coordinated swarms) signals that India intends to be a first-tier player in this domain, not merely a technology importer.

Global Comparison — Loitering Munition Ecosystems
Country	Key System(s)	Annual Scale	Strategic Doctrine
Israel	Harop, Harpy (world's top LM supplier)	Hundreds exported 1995–2023	Precision SEAD (Suppression of Enemy Air Defence)
USA	Switchblade 300/600, ALTIUS-600	Thousands supplied to Ukraine alone	Tactical and strategic combined; high-low mix
Iran	Shahed-136 (Geran-2 in Russia)	Tens of thousands produced for Russia	Mass saturation; overwhelm expensive interceptors with cheap drones
Turkey	Bayraktar TB2, Kargu	World's top armed drone supplier since 2018	Anti-armour, ISTAR; proven in Libya, Syria, Azerbaijan, Ukraine
India	Nagastra-1, HAROP (operated), SkyStriker (co-produced)	480 Nagastra-1 (2024–25); scaling	Precision SEAD + high-value target strike; scaling domestic production
Pakistan	Burraq, Shahpar; Chinese-aided; new jet-powered OWA drones	Scaling post-Op Sindoor lessons	Saturation + SEAD; counter-Akashteer targeting

✍ Mains Tip

When writing on this topic, always connect the domestic (indigenisation) to the international (exports, geopolitics) and the doctrinal (deterrence, nuclear). A one-dimensional answer focusing only on technical specs will score in the 10–12/20 range. Bringing in the nuclear overhang, the Indo-Pacific dimension, and the AI-ethics gap will push you toward 15–17/20.

Indigenous defence systems are simultaneously a security imperative, an economic policy instrument, a geopolitical signal, and a technological inflection point — their analytical richness makes them ideal for multi-dimensional Mains answers that demonstrate cross-domain integration.

Current Affairs — 2025–2026

📊 Current Affairs — DRDO/Raksha Anirveda · August 2025

DRDO Chairman Samir Kamat confirmed that BrahMos was the primary offensive strike weapon of Operation Sindoor, launched predominantly from Sukhoi Su-30MKI aircraft. Akashteer simultaneously served as the backbone of India's defensive response, achieving a reported 100% interception rate against all Pakistani drones, missiles, micro-UAVs, and loitering munitions. The operation was described as a "comprehensive validation" of India's indigenous defence ecosystem and of the Aatmanirbhar Bharat vision in live combat conditions.

📊 Current Affairs — Indian Masterminds · December 2025

India has significantly accelerated development of advanced BrahMos variants following Operation Sindoor's operational success. Full development of the advanced BrahMos family is targeted for completion within three years (by late 2027–28). In parallel, BrahMos-NG (Next Generation) — a lighter, more versatile variant — is expected to reach flight trials in 2026 and production ramp-up by 2027–28. Officials confirmed India's hypersonic strategy has shifted toward mass-producible indigenous solutions as BrahMos-II faces prohibitive costs and technology-transfer hurdles with Russia.

📊 Current Affairs — IBEF / Business Standard · February–August 2025

India shipped the second battery of BrahMos to the Philippines via sea (April 2025) as part of the $375 million, 3-battery contract. India and the Philippines elevated ties to a Strategic Partnership (August 5, 2025) with defence cooperation, including BrahMos, as a cornerstone. The near-finalised Indonesia deal ($450 mn) would make it the second Southeast Asian BrahMos customer. Vietnam is reportedly in advanced discussions for a $700 mn deal. The geopolitical significance: BrahMos is becoming a tool of India's Indo-Pacific strategy against Chinese maritime assertiveness.

📊 Current Affairs — India Sentinels / Defence.in · April–May 2026

The Indian Army has issued a tender for 83 tracked carriers to deploy Akashteer systems in armoured combat zones — addressing a key post-Sindoor gap where wheeled Akashteer units struggled to keep pace with mechanised formations. Separately, the Army is replacing legacy L-70 and ZU-23-2 anti-aircraft guns with AI-enabled Anti-Drone Gun Systems (ADGS), with evaluations scheduled for July 2026. These systems will plug seamlessly into Akashteer's command network, completing the layered counter-drone architecture — underscoring the lesson that destroying a $20,000 drone with a $1 million interceptor missile is fiscally unsustainable.

📊 Current Affairs — Carnegie Endowment / Observer Research Foundation · October 2025 – May 2026

Independent defence analysts drew major lessons from Operation Sindoor: (1) India's procurement system remains cumbersome — emergency procurement has become the preferred route, which is unsustainable for long-term capability building; (2) India has achieved a greater level of tri-service jointness, accelerated by the CDS appointment and demonstrated in the November 2025 Trishul Exercise; (3) India released multiple doctrinal papers in 2025 including the Joint Doctrine for Multi-Domain Operations, signalling a shift toward "kill-web" sensor-shooter-decision architectures; (4) the creation of Rudra Brigades (rapid offensive contingencies, Pakistan plains terrain) and Bhairav Battalions (mountain operations, Pakistan and China fronts) represents structural institutionalisation of Operation Sindoor's lessons.

✍ Mains Tip — How to Use This in an Answer

The most powerful way to deploy current affairs in a Mains answer on this topic is through the "Operation Sindoor as watershed" frame: it simultaneously validates the indigenisation programme, demonstrates the doctrinal shift, exposes the gaps that remain, and connects to geopolitical exports. A question asking "Evaluate India's indigenisation of defence technology" that cites Operation Sindoor, the Carnegie Endowment's procurement critique, and the IBEF export data will immediately signal analytical depth to the examiner.

The current affairs arc is clear: Operation Sindoor (May 2025) validated → BrahMos-NG acceleration + export scaling → Akashteer expansion to armoured zones → ADGS for drone counter → Joint Doctrine for Multi-Domain Operations. Every update points toward the same analytical conclusion: India has passed proof-of-concept and is now in the scaling and institutionalisation phase.

PYQ & Mains Traps

UPSC Mains Previous Year Questions (Thematically Aligned)

While BrahMos/Akashteer by name are recent (post-2025 cycle), the underlying themes have appeared repeatedly in GS-III and Essay papers:

UPSC Mains PYQs — Indigenous Defence & Internal Security Themes
Year	Question (paraphrased)	Answer Approach
2023	"What are the challenges in India's defence indigenisation? How can India become a major defence exporter?" (GS-III, 15 marks)	3-tier: Constitutional/policy framework (DAP-2020, Positive Lists) → Current status (production figures, BrahMos exports) → Challenges (scale, semiconductor, procurement cycle) → Way Forward (iDEX, DICs, National Security Doctrine)
2022	"Discuss the relevance of precision-guided munitions in modern warfare and India's preparedness." (GS-III)	Define PGM taxonomy → Global lessons (Ukraine, Nagorno-Karabakh) → India's systems (BrahMos, loitering munitions) → Gaps → Way Forward
2021	"Critically examine the role of DRDO in transforming India into a defence manufacturing hub." (GS-III)	Achievements (IGMDP legacy, Akash, Astra, BrahMos) → Criticisms (slow pace, cost overruns, private sector exclusion) → Reforms (Technology Development Fund, iDEX, private sector liberalisation)
2020	"What do you understand by 'net security provider' in the Indian Ocean Region? Is India ready for this role?" (GS-III)	Define Net Security Provider → India's capabilities (maritime surveillance, BrahMos exports, HADR) → Gaps (logistics, sustained deployment) → Way Forward (QUAD, bilateral agreements)
2019	"How does cross-border terrorism challenge India's internal security? What measures has India taken?" (GS-III)	Nature of challenge → India's response evolution (surgical strikes → Balakot → Operation Sindoor framework) → Legal framework → Technology-enabled deterrence
Essay 2024	"A nation that cannot arm itself cannot liberate itself." (likely theme for 2025 cycle given Operation Sindoor context)	History of dependence → Policy evolution → Operation Sindoor as validation → Remaining gaps → Vision of true technological sovereignty

⚠ Trap 1 — "Listing Systems Instead of Analysing"

The most common mistake is writing a paragraph that merely lists BrahMos speed, Akashteer features, and Nagastra-1 specs — essentially a fact-dump. UPSC Mains rewards analysis: What do these systems collectively mean for India's deterrence? What structural gaps remain? What are the policy implications? Technical data should support analysis, not replace it.

⚠ Trap 2 — "Treating BrahMos as 100% Indigenous"

BrahMos is an Indo-Russian joint venture. Describing it as "India's indigenous missile" without qualification will cost marks in a rigorous evaluation. Always specify: joint venture, India holds 50.5% stake, based on Russian P-800 Oniks technology, with increasing Indian components (seeker, navigation, software). The distinction between indigenised and indigenous is an analytical test UPSC deliberately sets.

⚠ Trap 3 — "Ignoring the Nuclear Dimension"

No Mains answer on India's indigenous precision strike systems is complete without addressing the nuclear overhang. India's willingness to use BrahMos and loitering munitions against Pakistan — a nuclear-armed state — is the doctrinal revolution. An answer that doesn't grapple with how conventional precision strike capability intersects with nuclear deterrence will miss the most important analytical dimension of this topic.

⚠ Trap 4 — "Conflating Offensive and Defensive Systems"

BrahMos is primarily an offensive precision strike system. Akashteer is a defensive command-and-control system (it does not kill targets itself — it directs other systems like Akash SAM, MRSAM, legacy guns). Loitering munitions are offensive. Conflating these in an answer without distinguishing their roles will reveal conceptual confusion.

⚠ Trap 5 — "Uncritical Celebration of Operation Sindoor"

Several analysts (War on the Rocks, Carnegie Endowment, Quwa) have noted that Operation Sindoor also exposed India's vulnerabilities: the Pakistan Air Force won the opening aerial engagement with J-10C fighters (downing Indian aircraft including Rafales), India relied heavily on emergency procurement, and the regular procurement process remains "cumbersome." A balanced Mains answer that acknowledges both the validation and the remaining gaps will score higher than one that is purely celebratory.

The analytical sophistication of a Mains answer on indigenous defence is measured by its ability to simultaneously celebrate India's genuine achievements, expose its structural gaps, and connect the military domain to broader questions of economic policy, geopolitics, constitutional accountability, and the ethics of autonomous warfare.

MCQ Practice

1With reference to BrahMos supersonic cruise missile, consider the following statements:
1. BrahMos Aerospace was established through an Inter-Governmental Agreement signed in 1998 between India and Russia.
2. India holds a 49.5% share in BrahMos Aerospace Private Limited.
3. The BrahMos missile's name is derived from the Brahmaputra and Moskva rivers.
4. India joined the Missile Technology Control Regime (MTCR) in 2016, enabling range extension of BrahMos beyond 300 km.
Which of the statements given above are correct?

Correct: (c)

Statement 2 is incorrect: India holds a 50.5% majority stake, not 49.5% — Russia holds 49.5%. This is a classic UPSC trap. Statements 1, 3, and 4 are all correct: the IGA was signed on February 12, 1998; the name combines Brahmaputra (India) and Moskva (Russia); and India's MTCR membership (June 2016) enabled the range to be extended from 290 km to 450–800 km.

2Consider the following pairs regarding loitering munitions:
1. Nagastra-1 — developed by Economic Explosives Limited (Solar Industries) — first indigenous loitering munition
2. HAROP — developed by DRDO India — anti-radiation capability
3. SkyStriker — co-produced by Elbit Systems (Israel) and Alpha Design Technologies (India)
4. Trinetra — featured for the first time at Army Day 2026 parade
Which of the pairs above are correctly matched?

Correct: (c)

Pair 2 is incorrectly matched: HAROP is developed by Israel Aerospace Industries (IAI), not DRDO. It is Israeli-origin, imported by India. HAROP does have anti-radiation capability (targets radar emitters), but the developer is wrong. Pairs 1, 3, and 4 are correctly matched — Trinetra was indeed featured for the first time at the Army Day 2026 parade (January 15, 2026).

3Assertion (A): Akashteer was described as the backbone of India's defensive operations during Operation Sindoor in May 2025, achieving a reported 100% interception rate against Pakistani aerial threats.
Reason (R): Akashteer integrates ISRO's satellites, NavIC navigation, ground radars, and mobile command units into a single AI-enabled command-and-control network, enabling autonomous engagement without human intervention.

Correct: (a)

Both A and R are correct, and R directly explains A. Akashteer's 100% interception performance (confirmed by BEL and DRDO Chairman Samir Kamat) was precisely because of its AI-autonomous, multi-sensor integrated architecture — it eliminated human reaction-time delays, allowing it to engage threats (including a single volley of 600+ drones) faster than any manually operated system could have. R correctly explains why A is true.

4Which of the following correctly describes the Defence Acquisition Procedure (DAP)-2020 category "Indian-IDDM"?

Correct: (b)

Indian-IDDM (Indigenously Designed, Developed and Manufactured) is the highest-priority procurement category under DAP-2020. It requires design ownership to be Indian and a minimum of 50% indigenous content. This category is given first right of refusal in procurement. BrahMos (joint venture) does NOT qualify under Indian-IDDM; Akashteer and Nagastra-1 do. Option (c) describes "Buy and Make (Indian)" and option (d) describes "Make in India under licence."

5With reference to the strategic implications of Operation Sindoor (May 2025), which of the following analytical statements is MOST accurate?

Correct: (c)

Option (a) is incorrect — Pakistan did respond militarily (J-10C fighters downed Indian aircraft; Pakistan fired ballistic missiles Fatah-I, II, Hatf-I). Option (b) is too narrow — technical validation is a subset of the larger doctrinal significance. Option (d) is incorrect — Pakistan Air Force won the opening aerial engagement with J-10C fighters. Option (c) captures the correct analytical framing: the strategic significance was India's demonstration that conventional precision capabilities could be used despite nuclear deterrence, fundamentally challenging the sub-conventional conflict logic that Pakistan had exploited for decades. This is the framing used by War on the Rocks, Carnegie Endowment, and ORF analysts.

Quick Revision

⚡ Rapid Recall — Indigenous Defence Systems (Internal Security · Mains)

BrahMos: Indo-Russian JV (DRDO + NPOM), est. Feb 12, 1998 — India 50.5%, Russia 49.5% — Mach 2.8–3, range 290–800 km (post-MTCR 2016) — "Fire and Forget" — first combat use: Operation Sindoor, May 2025
Akashteer: AI-enabled automated C2 system — BEL + DRDO + ISRO — ₹1,982 crore contract (March 2023) — integrates NavIC, Cartosat-3, ground radars — 100% drone interception in Operation Sindoor — 455 units total order
Nagastra-1: India's first indigenous loitering munition — Solar Industries/EEL (Nagpur) + Z-Motion Autonomous Systems — 75%+ indigenous — 480 units under emergency procurement — GPS accuracy 2 metres — parachute recovery unique feature
HAROP: Israeli IAI origin — 9-hr endurance — anti-radiation (targets radar emitters) — 8 Pakistani AD sites destroyed May 8, 2025 — NOT indigenous, imported
Doctrinal Shift: Operation Sindoor challenged Pakistan's "nuclear shield" thesis — PM Modi declared "new normal" on May 12, 2025 — India struck Pakistan's Punjab heartland (Bahawalpur, Muridke) for the first time since 1971
Legal Framework: Art. 246 + Union List Entry 1 = Parliament's exclusive domain; no National Security Doctrine exists; DAP-2020 creates Indian-IDDM highest procurement category (50% indigenous, design ownership)
Key Gap: Emergency procurement has become the default route — Carnegie Endowment October 2025 cited this as India's "biggest lesson" — regular procurement cycle too slow
BrahMos Exports: Philippines ($375 mn, 3 batteries, 2022–25); Indonesia ($450 mn, near-final, Nov 2025); Vietnam ($700 mn in discussions) — geopolitical tool for Indo-Pacific strategy
Budget: FY26 defence budget ₹7.86 lakh crore — 65% of capital acquisition earmarked for domestic — defence exports ₹23,622 crore in FY25 (34x growth from FY14)
Post-Sindoor Reforms: BrahMos-NG (flight trials 2026), Akashteer on 83 tracked carriers (armoured zones), ADGS to replace L-70 guns (evaluation July 2026), Joint Doctrine for Multi-Domain Operations (2025), Rudra Brigades + Bhairav Battalions
Critical Gap — Autonomy Ethics: Akashteer's autonomous kill decisions raise IHL accountability questions — India has no AI-in-warfare ethics framework — likely UPSC essay/Mains topic in 2026–27 cycle
Scale Deficit: India inducted 480 loitering munitions; Russia/Ukraine deploy hundreds of thousands annually — scale is India's most critical unresolved defence-industrial challenge

🎯 Open your answer with: "Operation Sindoor (May 2025) was not merely a military operation — it was the live-fire validation of India's decade-long journey from import dependence to indigenous precision strike capability, and its doctrinal declaration that conventional deterrence can coexist with, and override, sub-conventional nuclear brinkmanship."

· MaargX UPSC · Curated for Civil Services Preparation ·

Case Matrix — Key Systems, Dates & Analytical Hooks
System / Event	Year	Key Fact	Analytical Hook for Mains
BrahMos Aerospace founded	1998	IGA signed Feb 12; India 50.5%	Indo-Russian strategic partnership; not purely indigenous — limits vs. benefits
MTCR membership	2016	Unlocked range extension to 450–800 km	Multilateral regime membership as enabler of indigenisation — diplomatic-defence nexus
BrahMos Philippines export	2022–25	$375 mn, 3 batteries; second delivery April 2025	Defence exports as geopolitical instrument; Indo-Pacific strategy; anti-China signalling
DAP-2020 / Positive Indigenisation Lists	2020	Indian-IDDM highest category; import embargo list	Policy architecture for indigenisation; but private sector still only 20.8% of output
Akashteer contract	2023	₹1,982 cr, BEL; 107/455 delivered by Nov 2024	Genuinely indigenous; AI-autonomous; but partial deployment at time of conflict
Nagastra-1 induction	2024	480 units, emergency procurement, Solar Industries	Emergency procurement route — validates indigenisation but bypasses accountability
Operation Sindoor	May 7–10, 2025	Live combat validation; ceasefire by May 10	Doctrinal watershed; "new normal"; nuclear shield challenged; indigenous systems proven
BrahMos-NG development	2025–28	Lighter variant; flight trials 2026	Next-generation indigenisation — moving from joint venture to deeper design ownership
Joint Doctrine for Multi-Domain Operations	2025	Released post-Sindoor by MoD	Institutional codification of kill-web architecture; JADC2-equivalent for India
ADGS procurement	2026	Replace L-70/ZU-23-2; trials July 2026	Counter-drone strategy evolution; cost-effectiveness (gun vs. missile); Akashteer integration

📝 Mains Answer Framework — Indigenous Defence Systems (150 / 250 words)

Introduction

Open with Operation Sindoor (May 2025) as the empirical validation of India's indigenisation journey — state that BrahMos, Akashteer, and loitering munitions together mark a structural shift from "buyer of weapons" to "builder of deterrence." Define the strategic context: Aatmanirbhar Bharat in defence as both security imperative and economic policy.

Body — Part 1

Constitutional-legal dimension: Art. 246 + Union List Entry 1 (Parliament's exclusive domain); DAP-2020 and Indian-IDDM category; Positive Indigenisation Lists as structural demand-creation mechanism; critique: absence of National Security Doctrine and over-reliance on emergency procurement powers creates accountability deficit.

Body — Part 2

System-by-system analysis (not spec-dump): BrahMos as force-multiplier across tri-services AND first major defence export ($375 mn Philippines, ~$450 mn Indonesia); Akashteer as India's Iron Dome equivalent — genuine AI-autonomous innovation; Nagastra-1 as entry into mass-use drone warfare. Critical gap: 480 Nagastra-1 vs. hundreds of thousands Russia/Ukraine deploy — scale is the unresolved challenge.

Body — Part 3

Doctrinal shift dimension: India's willingness to use BrahMos under nuclear overhang challenges Pakistan's "nuclear shield" doctrine — PM Modi's "new normal" declaration (May 12, 2025). Geopolitical dimension: BrahMos exports as Indo-Pacific strategy against Chinese maritime assertiveness. AI-ethics gap: autonomous Akashteer targeting decisions raise IHL accountability questions India has not resolved.

Conclusion

India has achieved proof-of-concept through Operation Sindoor — but proof-of-concept is not strategic self-reliance. True sovereignty requires: resolving the scale deficit in drone production, building domestic semiconductor supply chains, publishing a National Security Doctrine, and establishing an AI-in-warfare ethics framework. The journey from "Make in India" to "Innovate in India" remains India's defining defence challenge.