UPSC Prelims Practice Questions — Revisiting India’s nuclear doctrine without revising it

Q1. Consider the following statements comparing the retaliatory options set out in India's nuclear doctrine as operationalised in January 2003: 1. Nuclear weapons may be used in retaliation against a nuclear attack on Indian territory, but not against a nuclear attack on Indian forces stationed outside Indian territory. 2. Whereas retaliation to a nuclear first strike is stated to be massive and designed to inflict unacceptable damage, in the case of a major biological or chemical attack the doctrine states only that India retains the option of retaliating with nuclear weapons. 3. The pledge of non-use extends to non-nuclear-weapon states, while the authorisation of any nuclear retaliatory attack rests with the civilian political leadership. Which of the statements given above is/are correct?

  1. Nuclear weapons may be used in retaliation against a nuclear attack on Indian territory, but not against a nuclear attack on Indian forces stationed outside Indian territory.
  2. Whereas retaliation to a nuclear first strike is stated to be massive and designed to inflict unacceptable damage, in the case of a major biological or chemical attack the doctrine states only that India retains the option of retaliating with nuclear weapons.
  3. The pledge of non-use extends to non-nuclear-weapon states, while the authorisation of any nuclear retaliatory attack rests with the civilian political leadership.
  • A. 1 and 2 only
  • B. 2 only
  • C. 2 and 3 only
  • D. 1, 2 and 3

Q2. Under India's declared nuclear doctrine, a nuclear retaliatory strike can be authorised only by which one of the following?

  • A. The Cabinet Committee on Security, chaired by the Prime Minister, acting on the advice of the Chiefs of Staff Committee
  • B. The Commander-in-Chief, Strategic Forces Command, in consultation with the Chief of Defence Staff
  • C. The Executive Council of the Nuclear Command Authority, chaired by the National Security Adviser
  • D. The civilian political leadership, acting through the Nuclear Command Authority

Q3. In January 2003, the formal decision that put India's nuclear doctrine into effect, including the constitution of the Nuclear Command Authority, was taken by which one of the following?

  • A. The National Security Advisory Board, which drafts and finalises all doctrinal documents for adoption by the Government
  • B. The Cabinet Committee on Security, chaired by the Prime Minister
  • C. The National Security Council Secretariat, the sole executive agency for all strategic weapons programmes
  • D. The Department of Atomic Energy, under whose entire authority the strategic forces programme is placed

Q4. Besides constituting the apex nuclear decision-making body, the January 2003 decision approved which one of the following as the principal arrangement for ensuring that a retaliatory strike remains possible in all eventualities?

  • A. Pre-delegation of launch authority to theatre commanders once a first strike is confirmed
  • B. Permanent mating of warheads with their delivery systems at dispersed storage sites
  • C. Alternate chains of command for retaliatory nuclear strikes
  • D. Adoption of a launch-on-warning posture for the land-based leg of the triad

Q5. With reference to India's declared nuclear doctrine, consider the following situations: 1. A nuclear attack on Indian territory. 2. A nuclear attack on Indian forces located outside Indian territory. 3. A major attack on Indian forces anywhere by biological or chemical weapons. 4. Any use of chemical agents against Indian territory by a non-nuclear-weapon state, irrespective of the scale of the attack. Which of the above is/are correctly identified as situations in which the doctrine contemplates the option of nuclear retaliation?

  1. A nuclear attack on Indian territory.
  2. A nuclear attack on Indian forces located outside Indian territory.
  3. A major attack on Indian forces anywhere by biological or chemical weapons.
  4. Any use of chemical agents against Indian territory by a non-nuclear-weapon state, irrespective of the scale of the attack.
  • A. 1 and 3
  • B. 2 and 4
  • C. 1, 2 and 3
  • D. 3 and 4

Q6. Which one of the following correctly describes India's standing in the international regime that prohibits toxic chemicals and their precursors?

  • A. Observer status only, with accession deferred pending universal adherence by all possessor states
  • B. Signatory subject to a reservation preserving the right of retaliation in kind against a chemical attack
  • C. An original signatory to the Convention and a member of the Executive Council of the implementing Organisation
  • D. A state that acceded in 2000, simultaneously with the enactment of its domestic implementing legislation

Q7. By the January 2003 decision, the management and administration of India's nuclear-capable forces was entrusted to a newly approved office, namely:

  • A. The Chief of Defence Staff, who exercises entire operational control over all three legs of the triad
  • B. The Integrated Defence Staff, the sole agency responsible for administering all strategic assets
  • C. A Commander-in-Chief, Strategic Forces Command
  • D. The Executive Council of the Nuclear Command Authority, which alone administers every strategic asset

Q8. In the position articulated by India in May 2025 following Operation Sindoor, the practice that India declared it would no longer tolerate consists of:

  • A. The transfer of fissile material or weapons expertise to non-state actors in order to coerce a neighbouring state
  • B. The linking of civil nuclear commerce to a recipient state's acceptance of new disarmament obligations
  • C. The demand for relief from economic sanctions in exchange for freezing an enrichment programme
  • D. Reliance on the threat of nuclear escalation to shield cross-border terrorist infrastructure from conventional retaliation