The first Vagir, a sub from Russia, was commissioned into the Indian Navy in 1973 and decommissioned in 2001. Two submarines of the ongoing Project-75 Scorpene programme at MDL, Kalvari and Khanderi, have been commissioned into the Indian Navy. One of these submarines, Karanj, is in the last phase of rigorous sea trials.
The fourth Scorpene, Vela, has commenced her sea trials, whilst the sixth and last submarine, Vagsheer, is being readied for boot together.