President Droupadi Murmu undertook her maiden submarine sortie on December 28, 2025, from Karwar naval base in Karnataka aboard INS Vaghsheer, a Kalvari-class submarine. The event was significant for the Indian Navy because she became the second President of India to go on a submarine sortie. The earlier precedent was set by President Dr A.P.J. Abdul Kalam.
For exam preparation, the importance of this event is not limited to a ceremonial visit. It connects the President's direct operational engagement with the armed forces, the Indian Navy's maritime preparedness, and India's submarine capability. Official information records that the sortie took place on the Western Seaboard, Chief of the Naval Staff Admiral Dinesh K. Tripathi accompanied the President, and during the over 2 hour sortie she interacted with the submarine crew and witnessed operational demonstrations.
For static GK, INS Vaghsheer should be linked with the Kalvari-class, also described as the Scorpene-class, submarine fleet. Karwar naval base is also relevant for defence geography and maritime security. While revising, keep three anchors together: the date, December 28, 2025; the location, Karwar; and the submarine, INS Vaghsheer. This makes the fact usable across separate topics on the President, the Navy, and defence technology. In RAS and UPSC prelims, this update can be asked through facts on the President, the Indian Navy, defence technology, or maritime security. In mains answers, it can be used as a compact example for civil-military engagement, defence readiness, and India's naval capability.