Know why India celebrates Navy day on December 4| Master Stroke

Navy Day is celebrated every year to commemorate the Navy's December 4 attack on Karachi harbour during the 1971 Indo-Pak War.

Pakistani forces attacked Indian air bases on the evening of December 3, 1971. The following day, the 25th Missile Vessel Squadron was ordered to dispatch three missile boats - Nirghat, Veer and Nipat towards Karachi in what was called Operation Trident and Operation Python.