The Defence Ministry signed ₹4,666 crore capital acquisition contracts for 5.56 mm CQB carbines and 48 heavy weight torpedoes for Kalvari-class submarines under Project-75The Defence Ministry signed ₹4,666 crore capital acquisition contracts for 5.56 mm CQB carbines and 48 heavy weight torpedoes for Kalvari-class submarines under Project-75 Latest News [ SOBAN NEWS: International and National ]