Lost in the thrust and parry of the parliamentary debate on Operation Sindoor were PM Narendra Modi’s several references to Pakistan’s “nuclear threats” and “nuclear blackmail”. They reflected a deliberate articulation of India’s more assertive security doctrine, representing a calculated move to redefine the deterrence equation in South Asia. That India is prepared to act against terrorism regardless of Pakistan’s “nuclear bluff” is ostensibly intended to enhance India’s deterrent credibility. The three-way China-India-Pakistan nuclear relationship has created a complex web of interlocking deterrence. All three countries are modernising and expanding their nuclear arsenals and delivery systems. Given the lack of...