The Indo-Pak war of 1971 was a defining moment in the history of the subcontinent, resulting in Bangladesh becoming independent. This established the progress of the Indian Armed Forces including the Army, Air Force and Navy. The war started on 3 December 1971, when the struggle for independence was going on in East Pakistan. The war ended 13 days later on 16 December with the surrender of the Pakistani Army. Since then, this day has been celebrated as Vijay Diwas in India and Bangladesh.

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