A copy of the Instrument of Surrender signed by Lt-Gen Amir Abdullah Khan Niazi, Commander Eastern Command Pakistan, and Lt-Gen Jagjit Singh Aurora, General Officer Commanding in Chief India and Bangladesh Forces in the Eastern Theatre. Let-Gen Niazi and around 93,000 Pakistani soldiers in Bangladesh surrendered to Indian and Bangladeshi forces under this agreement.
http://upload.wikimedia.org/wikipedia/en/5/5c/InstrumentOfSurrender1971Bangladesh.jpg