The document summarizes several naval operations and expeditions undertaken by the Indian Navy. It discusses the Indian Navy's role in the 1971 Indo-Pak war, including missile boat attacks on Karachi that helped secure sea approaches. It also details the sinking of INS Khukri by a Pakistani submarine. Finally, it summarizes Operation Cactus, in which the Indian Navy helped deploy forces to thwart a coup attempt in the Maldives in 1988 by intercepting mercenaries attempting to flee on a merchant ship.