The Indian Independence Act 1947, passed by the British Parliament, ended British rule in India and led to the creation of two independent dominions—India and Pakistan on August 15, 1947, marking a historic transition to sovereignty.

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• Indian Independence Act 1947 ended British authority in India.
• Divided British India into two dominions: India and Pakistan.
• Based on Mountbatten Plan proposed by Lord Mountbatten.
• Act passed in July 1947 and implemented on August 15, 1947.
• Ended British sovereignty and transferred powers to new governments.
• Office of Viceroy abolished and replaced by Governor-General.
• Constituent Assemblies empowered to frame their own constitutions.
• Princely states given option to join India, Pakistan or remain independent.
• Boundary demarcation done by Radcliffe Commission leading to partition.
• Marked culmination of long freedom struggle and birth of modern nations.