INS Imphal (Pennant D68) Subject: Science and Tech Section: Defence Context: INS Imphal commissioned in the Indian Navy. Some facts about INS Imphal INS Imphal (Pennant D68) is the third of four warships of Project 15B that together form the Visakhapatnam class stealth-guided missile destroyers. It is built by Mazagon Dock Shipbuilders Limited […]