Partition of India in the United Provinces (where Muslims were attacked by Hindus), and on to Rawalpindi in March 1947 in which Hindus were attacked or driven out by Muslims. The British Prime Minister Attlee appointed Lord Louis Mountbatten as India's last viceroy, who was given the task to oversee British India's independence by June 1948, with the instruction to "avoid" partition and "preserve" a United India, but with adaptational authority to ensure a British withdrawal with minimal setbacks. Mountbatten hoped to revive the Cabinet Mission scheme for a federal arrangement for India. But despite his initial keenness for preserving the center the
India–Pakistan relations a negative view. About half a million Muslims and Hindus were killed in communal riots following the partition of British India. Millions of Muslims living in India and Hindus and Sikhs living in Pakistan emigrated in one of the most colossal transfers of population in the modern era. Both countries accused each other of not providing adequate security to the minorities emigrating through their territory. This served to increase tensions between the newly-born countries. According to the British plan for the partition of British India, all the 680 princely states were allowed to decide which of the two countries to