INS Visakhapatnam, a P15B stealth guided-missile destroyer has been commissioned into the Indian Navy at the Naval Dockyard, Mumbai. This is the first of the four 'Visakhapatnam' class destroyers. INS Visakhapatnam is a P15B stealth-guided missile destroyer. It is indigenously designed by the Indian Navy's in-house organisation Directorate of Naval Design and constructed by Mazagon Dock Shipbuilders Limited, Mumbai.