Subject: International Relations | Published: 13 November 2025
The unravelling nuclear order: npt, new arms race & India's stand | UPSC Analysis
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The Fraying Threads: Navigating the Crisis in Global Nuclear Non-Proliferation
Imagine a world order balanced precariously on a handful of aging, fraying threads. For over half a century, this has been the reality of global security, held in check by the Global Nuclear Non-Proliferation Regime. This intricate web of treaties, agreements, and institutions, born from the terror of the Cold War, was designed to prevent the spread of the world’s deadliest weapons. Yet today, these threads are snapping one by one. A new, fast-paced nuclear arms race is underway, old treaties are collapsing, and the horrifying lessons of Hiroshima and Nagasaki are fading from collective memory.
For UPSC aspirants, understanding this evolving and dangerous landscape is not just about memorizing treaties; it’s about grasping the seismic shifts in geopolitics, international law, and India’s strategic imperatives.
The Grand Bargain: Pillars of the Non-Proliferation Architecture
The cornerstone of the non-proliferation regime is the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) of 1968. It rests on a ‘grand bargain’ between the nuclear ‘haves’ and ‘have-nots’, structured around three fundamental pillars:
- Non-Proliferation: Non-Nuclear Weapon States (NNWS) commit not to acquire nuclear weapons.
- Disarmament: The five officially recognized Nuclear-Weapon States (NWS) – the USA, Russia, the UK, France, and China – commit to pursuing negotiations in good faith toward nuclear disarmament.
- Peaceful Use: All signatory states have the right to develop, research, and use nuclear energy for peaceful purposes.
Analogy: Think of the NPT as an exclusive club. The five original members have a special power but promise to eventually give it up. New members can join and enjoy the club’s peaceful benefits (like nuclear energy) as long as they promise never to seek that special power for themselves.
While the NPT has been remarkably successful in limiting the number of nuclear states—preventing President Kennedy’s feared world of 25+ nuclear powers—its core bargain is now under unprecedented strain.
| Key Global Nuclear Treaties | | :--- | :--- | | Treaty on the Non-Proliferation of Nuclear Weapons (NPT), 1968 | The cornerstone treaty with three pillars: non-proliferation, disarmament, and peaceful use of nuclear energy. | | Comprehensive Nuclear-Test-Ban Treaty (CTBT), 1996 | Aims to ban all nuclear explosions for both military and civilian purposes. It has not yet entered into force as key states, including India, have not ratified it. | | Treaty on the Prohibition of Nuclear Weapons (TPNW), 2021 | The newest component, this treaty comprehensively outlaws nuclear weapons, filling a legal gap. However, it is not supported by any nuclear-armed state. |
Mnemonic for the NPT’s Five Nuclear-Weapon States (P5): For Control Unleash Restraint Bravely (France, China, USA, Russia, Britain)
A Regime in Meltdown: The Cracks of the 21st Century
The relative stability of the Cold War’s end has given way to a volatile, multipolar world where the non-proliferation regime is facing a cascade of crises.
1. The Ukraine War and the Shredding of Assurances: Russia’s 2022 invasion of Ukraine has dealt a devastating blow to the regime. Ukraine, which gave up its Soviet-era nuclear arsenal in 1994 under the Budapest Memorandum in exchange for security assurances from the US, UK, and Russia, found those assurances worthless. This has sent a chilling message to the world: nuclear weapons are the ultimate security guarantee, and disarmament is a perilous path.
2. The New Tri-polar Arms Race: The Stockholm International Peace Research Institute (SIPRI) has highlighted deeply concerning trends in its recent reports. While Cold War-era weapons are being dismantled, the number of operational nuclear warheads is increasing year-on-year.
- China’s Rapid Expansion: China is expanding its nuclear arsenal faster than any other country, estimated to have reached 500 warheads in January 2024 and potentially deploying some on high operational alert for the first time. Projections suggest China could have as many ICBMs as the US or Russia by the 2030s.
- US-Russia Treaty Collapse: The New START Treaty, the last remaining bilateral arms control agreement limiting US and Russian strategic nuclear arsenals, is set to expire in February 2026. With Russia’s suspension of its participation in 2023 and the deep freeze in relations, prospects for a follow-on agreement are bleak, opening the door to an unconstrained arms race.
Fun Fact: The world’s nine nuclear-armed states possessed an estimated 12,121 nuclear warheads at the start of 2024, with about 9,585 in military stockpiles for potential use. Russia and the USA together possess almost 90% of all nuclear weapons.
3. Diplomatic Failures and Treaty Paralysis:
- JCPOA’s Demise: The Iran Nuclear Deal (JCPOA) officially terminated on October 18, 2025, after years of disarray following the US withdrawal in 2018. Iran has since increased its stockpile of highly enriched uranium, and the IAEA’s ability to verify its program has been severely hampered.
- NPT Stalemate: The last two NPT Review Conferences (in 2015 and 2022) and the preparatory committee session in August 2024 all failed to produce a consensus outcome document, highlighting deep divisions and rendering the review process largely inert.
India’s Doctrine: A Responsible Outlier
India has always remained outside the NPT, viewing it as a discriminatory treaty that creates a permanent class of nuclear ‘haves’ and ‘have-nots’. After its 1998 nuclear tests, India formalized its nuclear doctrine in 2003, built on two foundational principles:
- Credible Minimum Deterrence: India will not engage in an arms race but will maintain a sufficient and survivable nuclear force to deter any potential adversary.
- No First Use (NFU): India commits to not being the first to use nuclear weapons in a conflict. Retaliation would only occur in response to a nuclear attack on Indian territory or forces. The policy does allow for a nuclear response to a major attack using biological or chemical weapons.
India’s policy emphasizes civilian control through the Nuclear Command Authority (NCA), chaired by the Prime Minister, reinforcing its status as a responsible nuclear power.
Statistic: According to SIPRI’s 2024 report, India slightly increased its nuclear arsenal to 172 warheads, while also expanding its focus to longer-range weapons capable of reaching targets across China.
Critical Policy Appraisal
| Challenges/Criticisms of the Regime | Opportunities/Successes/Way Forward |
|---|---|
| Discriminatory Nature: The NPT legitimizes the arsenals of the P5 while indefinitely denying others, creating a perception of nuclear apartheid. | Success in Stemming Proliferation: The regime has largely succeeded in preventing the emergence of dozens of new nuclear-armed states. |
| Lack of Disarmament: The P5 have failed to make significant progress on their Article VI disarmament obligations, undermining the ‘grand bargain’. | Normative Power: It has established a powerful global norm against the acquisition and use of nuclear weapons. |
| Geopolitical Strain: Rising tensions (US-Russia-China), regional conflicts, and the collapse of key treaties are eroding the regime’s foundations. | Rise of the TPNW: The TPNW provides a new avenue for non-nuclear states to champion disarmament and stigmatize nuclear weapons. |
| Non-Universality: Key states like India, Pakistan, Israel, and North Korea remain outside the NPT, creating security dilemmas. | Way Forward: Renewed diplomatic focus on risk reduction, transparency measures, and strategic stability dialogues, even in the absence of formal treaties, is critical. |
Analytical Lens: UPSC Focus (Mains & Prelims)
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Conceptual Basis: The foundational legal instrument is the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), 1968. Key related instruments include the Comprehensive Nuclear-Test-Ban Treaty (CTBT), 1996, and the Treaty on the Prohibition of Nuclear Weapons (TPNW), 2021.
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UPSC Integration: Connecting the Dots
- GS Paper 2 (Polity & IR): This is a core topic for India’s foreign policy, its relationship with the P5 and neighbors (China, Pakistan), and its role in international organizations like the UN and IAEA. It is central to debates on disarmament, non-proliferation, and arms control.
- GS Paper 3 (Science & Tech / Security): Connects directly to India’s nuclear energy program, the nuclear fuel cycle (enrichment, reprocessing), and its three-stage nuclear power programme. It is also a key component of India’s national security and defence strategy.
- GS Paper 1 (Modern Indian History): Link to the historical context of India’s nuclear program, the drivers behind the 1974 and 1998 tests, and the influence of the Non-Aligned Movement (NAM) on India’s push for universal disarmament.
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Future Impact & Policy Relevance: The world is arguably entering its most dangerous nuclear era. The collapse of the bilateral US-Russia arms control architecture and the rise of a less transparent, multipolar nuclear competition involving China marks a paradigm shift. For India, this means navigating a more complex security environment, necessitating a continuous re-evaluation of its ‘credible minimum deterrence’ posture. The policy challenge is to uphold its principles of restraint while ensuring its deterrent remains credible against rapidly modernizing adversaries.
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Practice Question (Prelims)
Which of the following correctly describes the ‘three pillars’ of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT)?
(a) Disarmament, Deterrence, and Peaceful Use of Nuclear Energy (b) Non-Proliferation, Disarmament, and Peaceful Use of Nuclear Energy (c) Non-Proliferation, Sanctions, and International Inspection (d) Deterrence, Non-Proliferation, and Civilian Control
Explanation: The correct answer is (b). The NPT is famously built on a ‘grand bargain’ consisting of three pillars: preventing the spread of nuclear weapons (non-proliferation), commitments by nuclear-weapon states to disarm, and the right of all states to use nuclear technology for peaceful purposes.
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Practice Question (Mains)
The global nuclear non-proliferation regime is facing an existential crisis due to contemporary geopolitical shifts. Critically analyze the challenges confronting the regime and evaluate the relevance of India’s nuclear doctrine in this evolving security landscape. (250 words, 15 marks)
Mind Map Outline (Revision Structure)
- Global Nuclear Non-Proliferation Regime
- Core Objective: Prevent the spread of nuclear weapons and achieve disarmament.
- Key Treaties & Architecture
- NPT (1968)
- Pillar 1: Non-Proliferation
- Pillar 2: Disarmament (Article VI)
- Pillar 3: Peaceful Use of Nuclear Energy
- CTBT (1996): Bans all nuclear tests (not yet in force).
- TPNW (2021): Aims for total prohibition; opposed by nuclear states.
- IAEA: The regime’s verification watchdog.
- NPT (1968)
- Contemporary Challenges (Post-2022)
- Erosion of Arms Control
- New START Treaty expiration (Feb 2026).
- Russia’s suspension of participation.
- New Arms Race
- China’s rapid arsenal expansion.
- Modernization by all nuclear states.
- Increase in operational warheads.
- Geopolitical Shocks
- Impact of Russia-Ukraine War.
- Failure of Budapest Memorandum assurances.
- Diplomatic Stalemate
- Collapse of Iran Nuclear Deal (JCPOA).
- Failure of recent NPT Review Conferences.
- Erosion of Arms Control
- India’s Position & Doctrine
- Status: Non-signatory to NPT (principled opposition).
- Core Principles
- Credible Minimum Deterrence.
- No First Use (NFU) Policy.
- Civilian control via Nuclear Command Authority (NCA).
- Strategic Imperatives: Maintaining deterrence against China and Pakistan.