The Indian Navy Day is celebrated on December 4 every year to commemorate Operation Trident, an attack on the Karachi harbour during the Indo-Pakistan war in 1971.
This year is 46th Navy Day
The Indian Navy is the fifth largest in the world
The Navy has three commands: Eastern headquartered in Vishakhapatnam, Western Command in Mumbai, and Southern Command in Kochi. The Navy operates in 66 bases under the Commands.