By Samir Gupta, IIT Delhi Alumnus | New Delhi | 09 October 2025
READINESS REDEFINED: INDIA’S LONG MARCH FROM ARSENAL TO INTEGRATION
Introduction: The New Definition of Readiness
As India’s Defence Preparedness evolves, the true test lies not in possession but in precision, coordination, and speed. Chief of Defence Staff General Anil Chauhan recently observed, “Preparedness must remain very high—there are no runners-up in war.”
This single line encapsulates India’s strategic dilemma in an increasingly digital and unpredictable security environment. Defence readiness is no longer about counting tanks or jets; it is about connecting them into a unified system that responds faster and smarter than the adversary.
Preparedness today means linking the soldier to the satellite, the submarine to the server, and the aircraft to the algorithm.
From Quantity to Quality: The New Face of Military Power
India’s defence posture today reflects decades of steady evolution rather than sudden leaps. According to SIPRI 2024, India’s defence budget reached USD 86.1 billion, marking a 1.6% rise over 2023 and maintaining its position as the fifth-largest military spender globally—behind the United States, China, Russia, and Germany.
This amount is nearly nine times Pakistan’s defence expenditure, reaffirming India’s priority on deterrence amid regional tensions. Defence spending now constitutes about 3.2% of global total military expenditure.
However, the emphasis has shifted from quantity to quality—towards network-centric warfare, precision weapons, and indigenous technology. Integration, not inventory, defines modern readiness. Behind every budget number lies a transformation connecting the soldier to the satellite, the submarine to the server, and the strike aircraft to the sensor.
Multi-Domain Integration: The Next Frontier
Modern conflicts span air, land, sea, cyber, and space. India’s Defence Preparedness now depends on multi-domain operational capability, ensuring joint decision-making across all services.
Integration extends beyond hardware—it involves real-time intelligence sharing, joint command structures, and common communication protocols. The Ministry of Defence’s push for Theatre Commands and joint training programmes is a pivotal step toward this unified approach.
Air Power: Reach Meets Renewal
The Indian Air Force (IAF) operates about 730 combat-ready aircraft, including Su-30MKIs, Rafales, Mirage-2000s, and the indigenous Tejas Mk1A. The upcoming Tejas Mk2 and Advanced Medium Combat Aircraft (AMCA) projects symbolise India’s leap toward indigenous fifth-generation capabilities.
DRDO’s hypersonic test flights in 2024 and new HAL production lines show progress from licensed manufacturing to homegrown design. The IAF’s doctrine now focuses on interoperability, linking aircraft, radars, and satellites into one digital “combat cloud.” Every mission must communicate with every sensor—this is the essence of aerial integration.
Sea Power: The Silent Backbone
The Indian Navy anchors deterrence with a credible nuclear triad. The Arihant-class SSBNs (Ship, Submarine, Ballistic and Nuclear i.e., nuclear powered ballistic missiles loaded submarines), supported by 17 conventional submarines, ensure survivable second-strike capability.
India’s maritime focus has expanded from blue-water presence to data-driven maritime domain awareness. AI systems now fuse sonar, satellite, and radar feeds to produce live threat maps. As one naval officer put it, “Our true fleet strength lies not in hulls, but in harmonised networks and sensors.”
The commissioning of INS Vikrant, India’s first indigenous aircraft carrier, and the upcoming Project-75I submarines, strengthen naval readiness across the Indo-Pacific.
Land Forces: Strength at Scale
The Indian Army, the world’s second-largest standing force, fields over 3,700 main battle tanks and a growing arsenal of advanced artillery and tactical missile systems such as Pralay and Pinaka Mk-II.
However, the new doctrine prioritises speed, command integration, and information dominance. Through digital initiatives like Project Shakti and Battlefield Management Systems (BMS), the Army aims to reduce the sensor-to-shooter timeline from hours to minutes.
Under the forthcoming Theatre Command structure, Army units will synchronise seamlessly with Air and Naval forces, creating a unified warfighting ecosystem.
Missile Power: The Decisive Edge
Missiles remain the sharpest element of India’s Defence Preparedness—the capability that bridges conventional and nuclear deterrence.
India’s inventory today combines strategic reach, precision, and versatility, built largely through indigenous research under the DRDO Integrated Guided Missile Development Programme (IGMDP) and its successors.
Strategic Arsenal
-
Agni Series: From Agni-I (700 km) to Agni-V (5,500 km) in service, these solid-fuel ballistic missiles ensure credible deterrence against regional adversaries. The latest Agni-Prime (Agni-P), tested in 2024, offers improved accuracy, road-mobility, and MIRV (Multiple Independently Targetable Re-entry Vehicle) with multiple warhead & target potential.
- Upcoming Agni-VI with range of 11,000-12,000 km (with heavier ~3 tonnes warheads) or more up to 16,000 Km (with is lighter ~1.5 tonnes warheads) but yet not ‘officially’ tested.
-
K-Series Submarine-Launched Missiles: The K-15 Sagarika (750 km) and K-4 (3,500 km) equip Arihant-class SSBNs, completing India’s nuclear triad.
-
Prithvi-II (350 km) remains operational for short-range deterrence and battlefield support.
Tactical & Cruise Missiles
-
BrahMos Supersonic Cruise Missile (Mach 2.8 ~ 3.0), jointly developed with Russia, remains India’s most versatile conventional strike system, deployed by the Army, Navy, and Air Force. The upcoming BrahMos NG (Mach 3.5) a new generation lighter version to be accommodated in higher numbers, and BrahMos-II (Mach 7 ~8) will place India among the leaders in hypersonic cruise technology.
-
The Pralay short-range ballistic missile (150–500 km), now inducted, fills the tactical gap for rapid precision strikes.
-
Nirbhay subsonic cruise missile (1,000 km) and its newer variants add stand-off capability with domestic propulsion.
Comparative Context
China fields over 2,000 ballistic and cruise missiles, many with ranges above 5,000 km, while Pakistan’s arsenal includes Shaheen-III (2,750 km) and Babur (700 km) series. India’s balanced portfolio emphasises accuracy, survivability, and credible second-strike capability, backed by proven command-and-control and “No First Use” doctrine.
India’s focus now shifts toward hypersonic glide vehicles, solid-fuel reusable boosters, and AI-driven targeting networks, signalling a steady march from deterrence by numbers to deterrence by precision.
Strategic Enablers: Engines, Deterrence, and Blue-Water Reach
While India’s missile and combat systems underscore credible deterrence, the nation’s long-term readiness hinges on mastering three critical enablers — propulsion, survivable deterrence, and maritime reach.
Fighter Engine Independence
India’s next-generation air power depends on developing its own heavy-weight fighter jet engines. The Tejas Mk2 programme, though technologically advanced, still awaits an indigenous power plant capable of matching Western counterparts. The ongoing collaboration between DRDO’s Gas Turbine Research Establishment (GTRE) and Safran (France) aims to co-develop a 110–130 kN class engine — a key step toward powering India’s future 5th and 6th generation stealth fighters such as the AMCA. Achieving self-reliance in high-thrust propulsion will mark a decisive leap in India’s aerospace capability.
A Mature Blue-Water Navy
India today operates as a true blue-water navy, capable of sustained operations across the Indian Ocean Region and beyond. With INS Vikrant joining INS Vikramaditya, multiple destroyers, frigates, and nuclear submarines, and expanding maritime surveillance through satellite and UAV integration, the Navy provides both deterrence and disaster-relief capabilities. It remains the backbone of India’s regional influence and sea-lane security in the Indo-Pacific.
Assured Second-Strike Capability
India’s nuclear deterrence is anchored in a credible second-strike capability across land, air, and sea — forming the full triad envisioned in its nuclear doctrine. Land-based Agni-V and Agni-P, air-launched Rafale and Mirage-2000 nuclear delivery platforms, and Arihant-class SSBNs collectively ensure survivability and deterrence even under first-strike conditions. This capability upholds India’s strategic stability while adhering to its “No First Use” policy.
Clarifying the NFU Myth: What “No First Use” Actually Means
Many misinterpret No First Use (NFU) as meaning India would wait for a nuclear detonation on its soil. In reality, NFU commits India not to initiate nuclear use, but it retains the right to retaliate decisively against imminent or actual nuclear aggression. Official doctrine also allows nuclear response to chemical or biological attacks. NFU thus governs initiation, not inaction—it coexists with early-warning, survivable command systems, and assured retaliation.
Put differently, NFU governs the initiation of nuclear use, not India’s ability to detect, pre-empt, or respond to imminent nuclear aggression through proportional and survivable means. The NFU works together with credible second-strike forces, early warning, and command-and-control arrangements to ensure an adversary cannot gain an advantage by merely moving or preparing its nuclear forces; India’s posture therefore focuses on survivability and assured retaliation rather than passive tolerance.
The Indigenisation Revolution: From Assembler to Innovator
India’s drive for Atmanirbhar Bharat (self-reliant defence) is reshaping the sector. Public giants like HAL, BEL, and BDL now collaborate with private innovators such as L&T, Tata Advanced Systems, and Adani Defence.
Platforms like the Tejas Mk1A, Advanced Light Helicopter Dhruv, and Light Combat Helicopter Prachand mark India’s shift from assembler to innovator. The MoD’s target of 70% indigenous content by 2030 underscores this ambition.
Continued investment in R&D, AI, and quantum technologies will be decisive in closing the gap with advanced global militaries.
The Hidden Gaps: Challenges in Integration
Despite significant gains, challenges persist in India’s Defence Preparedness:
-
Ammunition & Logistics: Real-time inventory tracking across commands remains fragmented. A unified “war-stock visibility” dashboard is under development.
-
Cyber & Electronic Warfare: While the Defence Cyber Agency is expanding, balancing offensive and defensive operations remains complex.
-
Theatre Command Implementation: Institutional restructuring is slow but crucial for full tri-service integration.
-
Deep-Tech Dependencies: Jet engines, quantum communications, and certain satellites still rely on foreign partners.
-
Operational Sustainment: Maintaining sortie rates, serviceability, and logistics tempo is vital to converting capability into combat power.
These are transitional hurdles, not failures—signs of a military system in transformation.
Comparative Snapshot: India, China and Pakistan

Comparative Interpretation:
India occupies the strategic middle ground—spending far less than China yet far more than Pakistan, while outmatching the latter across most conventional and strategic metrics. China’s expanding missile and naval forces dominate regional calculations. Nevertheless, India’s edge increasingly lies in integration, systems, and sustainment rather than scale. Its missile triad and advancing hypersonic research ensure a stable and reliable deterrent posture across the Indo-Pacific.
Emerging Frontiers: Drones, Space, and Digital Warfare
Drones
India’s unmanned fleet now includes the Heron Mk2, Tapas-BH-201, and Swarm Drones for surveillance and precision strike. Manned–unmanned teaming has become a key feature in IAF and Army exercises.
Space Warfare
The Defence Space Agency (DSA) spearheads India’s counter-space and satellite protection strategy. Investments in anti-satellite systems, secure communication satellites, and space situational awareness enhance strategic depth.
Digital & AI Warfare
Artificial Intelligence and quantum computing are transforming India’s defence network. AI-enabled decision systems shorten response cycles, while cyber protection frameworks secure command-and-control nodes from intrusion.
The Road to 2030: Readiness as a System, Not a Slogan
The MoD’s Vision 2030 redefines readiness as a fusion of technology, training, and trust. The future battlefield will be cognitive—where every soldier, pilot, and coder operates in a shared data environment.
India’s defence strategy is evolving from possession to precision, from equipment to ecosystems. Success will depend as much on software architects as on generals.
Conclusion: The Final Word
India’s Defence Preparedness reflects its evolution from a hardware-heavy arsenal to a digitally integrated deterrence system. Its true strength now lies in interoperability, indigenous innovation, and disciplined adaptability.
In the words of a senior MoD official, “The wars of the future won’t just be fought with steel—they’ll be won with systems.” That sentence defines the essence of India’s readiness in the twenty-first century.














