The Indian Independence Act 1947 was a landmark legislative act passed by the British Parliament that ended nearly 200 years of British rule in the Indian subcontinent. The act partitioned British India into two new independent dominions: India and Pakistan. This event was the culmination of decades of resistance, most famously led by Mahatma Gandhi through non-violent civil disobedience. While the act marked a triumph for self-determination, the Partition led to one of the largest mass migrations in human history, as millions of Hindus, Muslims, and Sikhs crossed new borders. The resulting communal violence led to hundreds of thousands of deaths and created long-standing geopolitical tensions. India’s independence served as a catalyst for the broader decolonization movement across Asia and Africa, signaling the beginning of the end for the British Empire.