Indian Navy is celebrating 50 yrs of its Submarine Arm. India's FIRST submarine INS Kalvari was inducted on 8th dec,1967 z
President #RamNathKovind, the Supreme Commander of the Armed Forces, awards the
Presidential Colours to the Submarine Arm of the Navy. 🇮🇳 http://pic.twitter.com/dtbohfFJ7k
— Strategic Frontier Research Foundation (@strategic_front) December 8, 2017
