India's Nuclear Arsenal Expansion and Strategic Policy Shifts in SIPRI Yearbook 2026
Key Points
The SIPRI Yearbook 2026 reveals that India has expanded its nuclear arsenal, marking a strategic shift by deploying some warheads operationally for the first time. This development is crucial for UPSC aspirants, particularly for General Studies Paper 2 and 3, which cover international relations and security issues. Last Updated: 10-06-2026
Key Facts About India's Nuclear Arsenal Expansion
- 190 warheads: As of January 2026, India’s nuclear arsenal includes 190 warheads, with 12 deployed and 178 in reserve.
- Fifth-Largest Military Spender: In 2025, India was the fifth-largest military spender globally, with a defense budget of USD 92.1 billion, marking an 8.9% increase from 2024.
- Second-Largest Arms Importer: India accounted for 8.2% of global arms imports from 2021-2025, second only to Ukraine.
- Operation Sindoor: In May 2025, India integrated cyber warfare into military operations during a confrontation with Pakistan.
- No First Use (NFU): India’s nuclear doctrine emphasizes NFU, reserving nuclear weapons for retaliation.
- Nuclear Command Authority (NCA): Civilian control over nuclear weapons is maintained through the NCA, led by the Prime Minister.
India's Strategic Nuclear Policy and Global Context
India's nuclear policy plays a pivotal role in its strategic positioning, reflecting its commitment to credible deterrence and regional stability. The expansion of its nuclear arsenal aligns with India's broader security objectives amidst regional rivalries with Pakistan and China. Globally, India is part of a trend where nuclear-armed states are modernizing arsenals, with the US and Russia leading in warhead counts. This modernization is crucial for maintaining strategic balance and deterrence.
UPSC Relevance
For UPSC aspirants, India’s nuclear policy is relevant to GS Paper 2 (International Relations) and GS Paper 3 (Security Challenges). In prelims, questions may focus on India’s nuclear arsenal size or key doctrines like NFU. For mains, essay topics could explore India's strategic autonomy or the implications of nuclear modernization.
Frequently Asked Questions (FAQs)
- What is the core principle of India's Nuclear Doctrine? India's doctrine centers on Credible Minimum Deterrence and No First Use (NFU).
- What is the Nuclear Command Authority (NCA)? The NCA is India's apex nuclear decision-making body comprising a Political Council and an Executive Council.
- What was Operation Shakti (Pokhran-II)? It was a series of five underground nuclear tests conducted in May 1998, marking India's formal declaration as a nuclear-armed state.
- Why has India not signed the NPT and CTBT? India views the NPT as discriminatory and argues the CTBT does not provide a credible framework for universal disarmament.
- What is meant by Credible Minimum Deterrence? This refers to maintaining a nuclear arsenal adequate to deter adversaries without inciting an arms race.
Detailed Coverage
- Fifth-Largest Military Spender: India spent USD 92.1 billion in 2025, marking an 8.9% increase from 2024.
- Major Arms Importer: India was the second-largest global arms importer from 2021-25.
- Nuclear Arsenal: Estimated at 190 warheads (12 deployed).
- Cyber Warfare Integration: Highlighted in the May 2025 India-Pakistan military confrontation.
- Growing Reliance on Nuclear Weapons: Nine nuclear-armed states modernizing arsenals.
- Global Inventory: Approximately 12,187 nuclear warheads worldwide.
- US-Russia Dominance: They control 86% of global warheads.
- Slowing Disarmament: Slight decline in nuclear inventory, but new warheads introduced.
- Peacekeeping Frameworks: Lithuania withdrew from the Convention on Cluster Munitions.
- AI in Warfare: AI-assisted targeting and drone warfare are becoming commonplace.
- India's Nuclear Doctrine: Based on No First Use and Credible Minimum Deterrence.
- Evolution of Nuclear Posture: From peaceful nuclear program to established power.
- India's Stance on Global Treaties: Has not signed NPT or CTBT, citing flaws.
- Export Control Regimes: India is a member due to responsible nuclear policies.
- TPNW Opposition: India opposes the Treaty on Prohibition of Nuclear Weapons.