India has successfully tested the K-4 submarine-launched ballistic missile, capable of striking targets up to 3,500 kilometers away, from the nuclear-powered submarine INS Arighat in the Bay of Bengal on Thursday. This test followed a previous launch conducted last year, marking a significant step towards full operational readiness. The missile, developed by the DRDO, enhances India's nuclear deterrent capabilities and demonstrates the steady pace of the nation's missile programme. The Strategic Forces Command oversaw the operation, though an official statement from the Defence Ministry is still awaited.

New Delhi: India on Tuesday tested the K-4 intermediate range ballistic missile from the nuclear-powered submarine INS Arighaat in the Bay of Bengal. The

On December 23, 2025, India silently carried out a submarine-launched ballistic missile test in the Bay of Bengal. The missile is believed to be the nuclear-capable K-4 with a range of around 3,500 km, launched from an Arihant-class submarine. The test further strengthens India’s sea-based nuclear deterrent.

Indian Navys Deterrance Masterstroke: Indian Navy tested a major indigenous weapon K-4 —the submarine-launched ballistic missile (SLBM) from its nuclear-powered ballistic missile submarine INS Arihant.