Kalvari 1st of Scorpene class subs built at MDL went to sea for first time today off Mumbai coast. #MakeinIndia. pic.twitter.com/YnE6cfV1oU— DPR (@SpokespersonMoD) May 1, 2016
Indian Navy Scorpene Submarine P75 - Kalvari sails out for sea trials - Part 2