Partition and the making of a new nation

On 14-15 August 1947, British India was divided into two dominions, India and Pakistan, and India became independent. Partition was not a single decision but the outcome of a long political failure: the Congress and the Muslim League could not agree on the constitutional future of a united India, the Cabinet Mission Plan of 1946 collapsed, and communal violence in 1946-47 hardened positions. The boundary was drawn by the Radcliffe Commission, whose awards were announced on 17 August 1947, after independence, leaving millions unsure, for days, which country they lived in.

The human cost was immense. About 15 million people crossed the new borders in the largest mass migration in recorded history, and estimates of deaths in the accompanying violence range widely — from several hundred thousand to around two million — because no reliable count was ever made. Trains arrived full of corpses, cities such as Delhi, Lahore and Calcutta were overwhelmed by refugees, and women suffered abduction and sexual violence on a large scale, a history that was long silenced and has only recently been studied in full. The Indian state, barely days old, had to feed, house and resettle refugees while building its administration.

Resettlement shaped the new nation. Refugee colonies grew into towns and neighbourhoods; displaced farmers, traders and artisans rebuilt livelihoods, often with government loans and land allotments; and the experience of Partition left a lasting mark on politics — on relations with Pakistan, on debates about secularism and minority rights, and on the Constitution's promise that citizenship would rest on birth and residence, not religion. The Constituent Assembly, which had begun work in December 1946, continued through Partition and produced a Constitution that deliberately rejected the logic of religious states.

Partition is therefore not only a story of division. It is the founding trauma of independent India, and it explains much of what followed: the Kashmir dispute, the wars with Pakistan, the sensitivity of communal politics, and the determination of the new state's leaders to hold a diverse, divided society together under a democratic constitution. Any account of post-independence India that skips Partition misses the context in which every later choice was made.