Mazagon Dock Shipbuilders Limited submits bid for three additional Kalvari-class submarines for extended Project-75

INS Vagir during its sea trials. It is the 5th Kalvari-class submarine built under Project-75 to be commissioned in the Navy. (Photo: Indian Navy)New Delhi: The state-owned Mazagon Dock Shipbuilders Limited (MDL) has submitted its bid in response to ...