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Science & Technology·Revision Notes

Nuclear Non-proliferation — Revision Notes

Updated 10 Mar 2026

⚡ 30-Second Revision

Nuclear non-proliferation aims to prevent the spread of nuclear weapons. The NPT (1968) is key, but India is a non-signatory due to its discriminatory nature, advocating for universal disarmament. India's doctrine is NFU and CMD. It's a member of MTCR, AG, WA, but not NSG, balancing strategic autonomy with responsible global engagement.

2-Minute Revision

  • Core Goal: — Prevent spread of nuclear weapons (horizontal & vertical).
  • NPT (1968): — Cornerstone treaty, divides NWS (P5) and NNWS. India is non-signatory, citing discrimination.
  • India's Doctrine (2003): — No First Use (NFU) and Credible Minimum Deterrence (CMD). Civilian political control (NCA).
  • Key Treaties: — CTBT (1996 - bans tests, not in force, India non-signatory), FMCT (proposed - bans fissile material production for weapons, negotiations stalled, India supports verifiable, non-discriminatory FMCT with stockpile inclusion).
  • Export Control Regimes: — Voluntary groups controlling dual-use tech.
  • * NSG (1975): Nuclear Suppliers Group. India's bid pending.
  • * MTCR (1987): Missile Technology Control Regime. India joined 2016.
  • * Australia Group (1985): Chemical/Biological weapons. India joined 2018.
  • * Wassenaar Arrangement (1996): Conventional arms/dual-use. India joined 2017.
  • IAEA: — International Atomic Energy Agency. Verifies peaceful uses via safeguards. India's civilian facilities under IAEA safeguards (post-123 Agreement).
  • India-US 123 Agreement (2008): — Landmark deal, ended India's nuclear isolation, allowed civil nuclear trade with NSG waiver.
  • India's Stance: — Strategic autonomy with responsible engagement. Strong domestic controls, clean proliferation record.

5-Minute Revision

  • I. Global Non-Proliferation Framework:
  • * A. Treaties:
  • * NPT (1968): Cornerstone. NWS (US, Russia, UK, France, China) vs. NNWS. Three pillars: non-proliferation, disarmament, peaceful uses. India's objection: discriminatory, no time-bound disarmament.
  • * CTBT (1996): Bans all nuclear tests. Not in force. India's objection: discriminatory, not linked to disarmament.
  • * FMCT (Proposed): Ban fissile material production for weapons. Negotiations stalled. India's stance: supports verifiable, non-discriminatory, includes existing stockpiles.
  • * B. International Organizations:
  • * IAEA: Verification (safeguards, Additional Protocol), promotes peaceful uses.
  • * C. Export Control Regimes (Voluntary):
  • * NSG (Nuclear Suppliers Group): Controls nuclear/dual-use exports. India's bid pending.
  • * MTCR (Missile Technology Control Regime): Controls missile/drone tech. India member (2016).
  • * Australia Group: Controls chemical/biological weapons precursors. India member (2018).
  • * Wassenaar Arrangement: Controls conventional arms/dual-use goods. India member (2017).
  • II. India's Nuclear Policy & Non-Proliferation:
  • * A. Evolution:
  • * Early years: Peaceful uses, disarmament advocacy.
  • * 1974 (Pokhran-I): 'Peaceful Nuclear Explosion', led to NSG formation.
  • * 1998 (Pokhran-II): Declared NWS, announced doctrine.
  • * Post-1998: Sanctions, indigenous development, 123 Agreement (2008), NSG waiver (2008).
  • * B. India's Nuclear Doctrine (2003):
  • * No First Use (NFU).
  • * Credible Minimum Deterrence (CMD): Survivable, second-strike capability.
  • * Massive Retaliation to nuclear attack.
  • * Civilian Political Control (Nuclear Command Authority - NCA).
  • * C. Civil-Military Separation: Civilian facilities under IAEA safeguards, military program separate.
  • * D. Three-Stage Nuclear Power Programme: Utilizes thorium for long-term energy security .
  • * E. Bilateral Agreements: US (123 Agreement), France, Russia, Canada, Australia, Japan for civil nuclear cooperation .
  • III. Vyyuha Analysis & UPSC Relevance:
  • * Strategic Autonomy with Responsible Engagement: India's balancing act.
  • * Clean Record: Despite non-NPT status, strong non-proliferation credentials.
  • * Challenges: NSG membership, stalled FMCT, NPT's inherent discrimination.
  • * Interconnections: IR, S&T, Security, Energy Security.

Prelims Revision Notes

For Prelims, focus on key facts, dates, and definitions. The NPT (1968) has 3 pillars: non-proliferation, disarmament (Article VI), peaceful uses (Article IV). India is NOT a signatory. The CTBT (1996) bans all nuclear explosions; it's not in force.

India is NOT a signatory. The FMCT is a proposed treaty to ban fissile material production for weapons; negotiations are stalled. India supports a non-discriminatory, verifiable FMCT. India's nuclear doctrine (2003) is NFU (No First Use) and CMD (Credible Minimum Deterrence), with civilian control via the Nuclear Command Authority (NCA).

Pokhran-I (1974) was a 'peaceful nuclear explosion'; Pokhran-II (1998) declared India a nuclear weapon state. The India-US 123 Agreement (2008) allowed civil nuclear cooperation after an NSG waiver. India is a member of MTCR (2016), Wassenaar Arrangement (2017), and Australia Group (2018), but not the NSG.

The IAEA applies safeguards to India's civilian nuclear facilities. Remember the P5 (NWS): US, Russia, UK, France, China. Non-NPT states: India, Pakistan, Israel, South Sudan. Dual-use technology refers to items with both civilian and military applications.

Horizontal proliferation is the spread to new states; vertical is the increase/improvement by existing NWS.

Mains Revision Notes

For Mains, structure your understanding around analytical themes. India's nuclear policy is a prime example of 'strategic autonomy with responsible engagement'. Argue that India's non-signatory status to NPT is a principled stand against a discriminatory regime, not a rejection of non-proliferation itself.

Substantiate this with India's clean record, robust domestic export controls (WMD Act, 2005), and voluntary adherence to IAEA safeguards (Additional Protocol). Discuss the nuances of India's NFU and CMD doctrine, evaluating its strengths (strategic stability, de-escalation) and potential limitations (credibility, 'massive retaliation' implications).

Analyze the significance of India's membership in MTCR, AG, and WA for its strategic capabilities, technology access, and international standing. Critically examine the challenges of India's NSG bid, particularly the NPT-centric opposition.

Connect nuclear non-proliferation to broader issues like energy security (Three-Stage Programme), international relations (bilateral agreements), and global security (nuclear terrorism, UN Security Council reform).

Conclude by emphasizing India's aspiration for a non-discriminatory, verifiable, and time-bound global nuclear disarmament.

Vyyuha Quick Recall

To remember India's key nuclear policy elements and its stance on treaties, use the INDIA-N3P Framework:

  • India's Indigenous program (Three-Stage)
  • No NPT (Discriminatory)
  • Doctrine: NFU & CMD
  • IAEA Safeguards (Civilian facilities)
  • Agreements: 123 & Bilateral
  • NSG Bid (Pending)
  • MTCR, AG, WA (Memberships)
  • Pokhran (1974 & 1998 Tests)

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