INS Kalvari (S50)

INS Kalvari (S50) is the first of the Indian Navy's six Kalvari-class submarine. It is a French designed diesel-electric attack submarine which was manufactured in Mumbai.

On April 2015 Defence Minister Manohar Parrikar launched the indigenously-built submarine at the Mazagaon Dockyard. This will be inducted into the Indian navy by the end of 2016.