Telangana
When India became independent from the British Empire in 1947, the Nizam of Hyderabad did not want to merge with the Indian Union and wanted to remain independent. The Government of India annexed Hyderabad State on 17 September 1948 after a military operation called Operation Polo. It appointed a civil servant, M. K. Vellodi, as first chief minister of Hyderabad State on 26 January 1950. He administered the state with the help of English-educated bureaucrats from the Madras and Bombay states, who were familiar with British systems of administration unlike the bureaucrats of Hyderabad State who used a completely different administrative system. The official language of the state was switched from Urdu to English.
Indian Independence Act 1947
On 4 June 1947 Mountbatten held a press conference in which he addressed the question of the princely states, of which there were over 635.The precise number of princely states|date=November 2016}} The treaty relations between Britain and the Indian States would come to an end, and on 15 August 1947 the suzerainty of the British Crown was to lapse. They would be free to accede to one or the other of the new dominions or to remain independent.