Vijay Diwas or Victory Day is commemorated on December 16, marking the end of the 1971 Indo-Pak War and the liberation of Bangladesh.
On this day 51 years ago after Pakistan signed the Instrument of Surrender.
India had declared support for East Pakistan (Bangladesh)
When the Pakistan Air Force launched strikes towards Western India, on December 3, 1971, India formally declared war on December 4.
The war was fought on both the Eastern and Western fronts over 13 days.
On December 6, India formally recognised Bangladesh as an independent nation.
From December 12 to 16, Indian forces pushed through to Dhaka and entered the city, ending the war with a total victory.