INS Khukri (F149)

INS Khukri was a Type 14 (Blackwood-class)frigate of the Indian Navy. She was a part of the 14th Frigate Squadron, a task force that formed part of the Western Fleet. The squadron consisted of the three frigates – INS Khukri, INS Kirpan and INS Kuthar. She was sunk off the coast of Diu, Gujarat, India by the Pakistan NavyDaphné-class submarine Hangor on 9 December 1971 during the Indo-Pakistani War of 1971. She was the first warship sunk by a submarine since World War II and is the post-independence Indian Navy's only warship to have been lost in war.