The debate over India’s nuclear doctrine, which was first formulated in 1999 and revised in 2003, has centred mainly on whether India should abandon its doctrinal commitment of “no first use” — the undertaking not to use nuclear weapons unless India were attacked first with weapons of mass destruction — and the credibility of the so-called “massive retaliation”. But now, after former national security advisor Shivshankar Menon hinted strongly in his recent book that India could, in certain circumstances, launch pre-emptive nuclear strikes to knock out Pakistan’s nuclear arsenal, there is a noisy debate on the doctrine.
Menon himself has

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