President Murmu launches stealth frigate INS Vindhyagiri  Subject: Science and technology Section: Defence Context President Droupadi Murmu on Thursday launched INS Vindhyagiri, the last in the series of three Project 17A (Alpha) frigates built by the Indian Navy at Kolkata-based Garden Reach Shipbuilders and Engineers ( GRSE). INS Vindhyagiri and Project 17A Details […]