From 1947 to 1971, Bangladesh was a part of Pakistan, as East Pakistan. During British rule this region was formed out of the divided parts of Bengal and Assam, and thus, East Pakistan was formed. The people of this area were against west Pakistan’s hold and the imposition of Urdu language. The people of this area raised the demands for justified representative in administration and proper partnership in political power. In 1965, After India-Pakistan war, the situation turned worse. Pakistan’s dictators became the emperor of the public in East Pakistan (Bangladesh) and dissatisfaction was increasing.
Under the leadership of Sheikh Mujb-ur-Rehman, autonomy movement was started in East Pakistan. East Pakistan was with Mujeeb. Pakistan’s general Yahya Khan tortured the Bengalies. Fearing people entered into India’s border leaving their houses. 10 thousand refugees began to come into India everyday. The number of the refugees reached upto 1 crore. At the same time, on December 3, 1971, Pakistan’s aeroplanes stated bombing India’s air bases. On December 14, 1971, in a military ceremony, general Niazi surrendered before India’s general Jagjeet Singh Arora. With him 93 thousand soldiers surrendered with their weapons. They were arrested and Bangladesh became free.