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History of India's Nuclear Program

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History of India’s Nuclear Program

Source: Shankar IAS Parliament, published 2023-08-05

Summary

A concise overview of India’s nuclear journey — from Nehru’s dual intent doctrine through Pokhran I and II, to the codified 2003 nuclear doctrine and India’s nuclear triad.

Key Takeaways

Origins

  • Nehru’s dual intent strategy (1950): India was against the atom bomb, but any call for a nuclear-free world must come from a position of strength. Develop peaceful nuclear capability but retain the option to weaponize.
  • homi-bhabha: Father of India’s nuclear program and founder of the Tata Institute of Fundamental Research (TIFR). Tasked by Nehru to develop peaceful nuclear energy capability while retaining weapons potential.
  • 1962 Sino-Indian War: India’s defeat to China, combined with all five UN Security Council P5 members already having nukes, intensified the push toward a weapons capability.

Tests

  • Smiling Buddha (1974): India’s first nuclear test at Pokhran, Rajasthan — officially declared a “peaceful nuclear explosion.” Demonstrated weapons-grade capability. Triggered the founding of the nuclear-suppliers-group (NSG) as a counter.
  • Operation Shakti (1998): India’s second nuclear test (five devices, including one thermonuclear weapon). Marked India’s declaration as a nuclear weapons state. Pakistan responded within weeks with six tests.

Nuclear Doctrine (2003)

India’s nuclear doctrine has three pillars:

  1. no-first-use (NFU): India will only use nuclear weapons in response to a nuclear strike on Indian territory or forces. Extends to chemical/biological attack warning.
  2. Massive Retaliation: Any first strike against India will be met with a massive response causing “unacceptable damage.” Implies counter-value (civilian infrastructure) targeting.
  3. Credible Minimum Deterrence: India’s arsenal and delivery systems need only be sufficient to ensure intolerable retaliation — not to match adversaries warhead-for-warhead.

Command & Control

  • Nuclear Command Authority (NCA): Two-tiered structure.
    • Political Council (headed by the Prime Minister): sole body authorized to order nuclear weapons use.
    • Executive Council (headed by the National Security Advisor): provides inputs and executes directives.
  • India’s Strategic Nuclear Command formally established in 2003.

nuclear-triad

India has developed a nuclear triad — delivery across all three domains:

  • Land: Intercontinental ballistic missiles (ICBMs) — e.g., Agni series
  • Sea: Submarine-launched ballistic missiles (SLBMs) — e.g., INS Arihant
  • Air: Strategic bombers

Purpose: ensures survivable second-strike capability; prevents an adversary from destroying India’s entire arsenal in a first strike.

International Posture

  • India has not ratified the CTBT (along with China, Pakistan, North Korea, Israel, Iran, Egypt, and the US — the eight remaining hold-outs from the required 44).
  • India is a member of all three Multilateral Export Control Regimes except the nuclear-suppliers-group (NSG).
  • The IAEA serves as the UN’s nuclear watchdog (Atoms for Peace and Development).

homi-bhabha · nuclear-non-proliferation-treaty · nuclear-deterrence · nuclear-triad · no-first-use · nuclear-arms-race · manhattan-project

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