The Hindustani War was fought by the مسلم ہندستان لیگ (Muslim Hindustan League) between South Hyderabad and Pakistan. It started in 1969 when Bengalistan seceded from Pakistan with Indian support. Fighting between the occupying Indian troops and the Pakistani soldiers spilled over to the west, where the Pakistani Air Force began to bomb Indian towns that "had probable cause" to believe that troops were occupied there. Days before the official declaration of war between India and Pakistan and the bombings, Indian Troops fully occupied Dacca, leading to the independence of Bengalistan.
India then signed an official declaration of war against Pakistan and began to amass troops to deal with the Pakistani Loyalists in Bengalistan, and to invade the West. South Hyderabad, a poor state that had signed a ceasefire treaty with India, declared war on India also and was promptly bombed and invaded.
2 years and 4 months after the war's start, Indian Troops were marching down the Indus and had fully occupied South Hyderabad. Pakistan signed a peace treaty stating that a, Pakistan release its claims to Kashmir; b, Recognize Indian sovereignty over South Hyderabad, and c; release all claims upon the Rann of Kutch.