India is set to enhance its sea-based nuclear capability with the commissioning of INS Aridhaman, reinforcing credible second-strike deterrence under the nuclear triad framework. BulletsIn INS Aridhaman is the third indigenously built Arihant-class nuclear-powered ballistic missile submarine, expected to join the Indian Navy by April–May. Constructed under the Advanced Technology Vessel project at Visakhapatnam, the











