Following independence in August 1947, the integration of over 500 princely states into the Indian Union was primarily achieved through the efforts of which leader, then Deputy Prime Minister and Home Minister?
The legal document through which a princely state formally agreed to join the Indian Union, acceding on matters of defence, external affairs, and communications, was called the:
The princely state of Hyderabad, whose ruler initially resisted joining the Indian Union, was integrated into India in September 1948 through a military action known as:
