Military plans of the Bangladesh Liberation War

Prior to Bangladesh Liberation War in 1971, India had no plans for large scale military action in East Pakistan. Since the Sino-Indian War of 1962, the primary objective of the Indian Army Eastern Command was the defence of the Indian northern and eastern borders, defending the "Shiliguri Corridor", and on combating insurgencies raging in Mizoram, Nagaland, Manipur and the Naxalites in West Bengal.

Source: Wikipedia — Military plans of the Bangladesh Liberation War (CC BY-SA 4.0)