NPT and Iran Nuclear Crisis: UPSC Mains Notes

UPSC Mains GS Paper II & III International Relations

NPT and the Iran Nuclear Crisis: Cracks in the Non-Proliferation Order

Iran’s near-weapons-grade enrichment exposes the structural limits of the global nuclear order
Enrichment Reached
60% purity
NPT In Force Since
1970
JCPOA Signed
2015
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Context and Background

  • The US-Israel-Iran war in early 2026 destroyed much of Iran’s nuclear infrastructure temporarily.
  • Despite the 2026 ceasefire and Islamabad MoU, Iran retains the technical knowledge to rebuild.
  • Iran’s nuclear programme began under US support during the Shah’s era in the 1970s.
  • After the 1979 Islamic Revolution, Iran pursued uranium enrichment as an independent capability.
  • Iran enriched uranium to 60% purity — dangerously close to the weapons-grade threshold of 90%.
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Critical takeaway: The crisis exposed a fundamental flaw — the NPT cannot prevent a determined near-nuclear state from advancing to the threshold.

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The Non-Proliferation Regime: Structural Inequalities

The NPT was signed in 1968 and entered into force in 1970, with 191 state parties, resting on three pillars — non-proliferation, disarmament and peaceful use of nuclear energy.

The Two-Tier Order

The treaty institutionalises a two-tier nuclear order, dividing states into nuclear haves and have-nots. P5 nations (US, Russia, China, UK, France) retain nuclear weapons while others must permanently forgo them.

Unfulfilled Commitments

Article VI requires nuclear states to pursue disarmament in good faith — a commitment never fulfilled. India, Pakistan, Israel and North Korea remain outside the NPT framework entirely.

CTBT Deadlock

The Comprehensive Nuclear Test Ban Treaty has not entered into force, as the US and China have not ratified it.

FMCT Blockage

Fissile Material Cutoff Treaty negotiations remain blocked by Pakistan in the Conference on Disarmament.

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JCPOA: Unravelling and Its Lessons

2015
JCPOA Signed
Signed between Iran and P5+1 nations; capped enrichment at 3.67% and limited centrifuge numbers in exchange for sanctions relief.
Agreement
2018
US Withdrawal
Trump unilaterally withdrew from the JCPOA, reimposing maximum pressure sanctions on Iran.
Setback
2018 onward
Breach of Limits
Iran responded by progressively breaching enrichment limits, reaching 60% purity.
Escalation
2022–2026
Failed Revival Attempts
This period saw repeated failed attempts to revive the deal.
Stalemate
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Key lesson: Multilateral nuclear agreements collapse when powerful states act outside framework commitments unilaterally. Sanctions-based coercion without engagement accelerates rather than prevents proliferation.

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Challenges to the Global Non-Proliferation Order

  • North Korea: Declared itself a nuclear state and conducted multiple tests despite UNSC sanctions.
  • P5 Modernisation: All five nuclear weapon states are actively upgrading and expanding their arsenals.
  • New Domains: Hypersonic missiles, AI-enabled targeting and cyber-nuclear interfaces challenge existing deterrence doctrines.
  • Weakening Arms Control: Collapse of the INF Treaty, Open Skies Treaty and New START expiry erode the arms control framework.
  • Technology Diffusion: Growing access to dual-use nuclear technology makes supplier control increasingly difficult.
  • IAEA Limitations: The IAEA lacks enforcement powers against determined violators.
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India’s Position on NPT and Nuclear Doctrine

  • India refused to sign the NPT, calling it discriminatory and inconsistent with global equality.
  • India advocates for universal, non-discriminatory and verifiable global nuclear disarmament.
  • India’s nuclear doctrine rests on No First Use (NFU), credible minimum deterrence and civilian control.
  • The Indo-US Civil Nuclear Deal (2008) gave India access to civilian nuclear technology without signing the NPT.
  • India is a member of the Nuclear Suppliers Group (NSG) waiver system and adheres to export controls.
  • India supports the CTBT’s objectives though it has not ratified the treaty.
  • India has consistently advocated for a time-bound multilateral disarmament convention replacing the NPT’s two-tier structure.
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Way Forward: Towards a Just and Coherent Nuclear Order

Universal Disarmament

P5 nations must fulfil Article VI obligations through concrete, time-bound disarmament steps.

CTBT Entry into Force

US, China, India and Pakistan must ratify CTBT to strengthen the test ban norm.

JCPOA Lesson

Future nuclear agreements must include binding multilateral commitments preventing unilateral withdrawal.

IAEA Strengthening

Enhance the IAEA’s safeguards, verification powers and financial resources to monitor compliance effectively.

Non-Discriminatory Order

Transition toward a nuclear order where disarmament obligations apply equally to all states.

Cyber-Nuclear Norms

Develop international norms preventing cyberattacks on nuclear command and control systems urgently.

India’s Role: India must continue advocating for global disarmament while maintaining credible minimum deterrence for its own security.
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Source: The Hindu

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