The correct option is C 1952
India got independence in 1947 and adopted the constitution in November 1949. After the adoption of the constitution, constituent assembly started to work as an interim government. The interim cabinet was headed by J.L. Nehru. Later, from 25 October 1951 to 21 February 1952 first general elections were held. In this election, Indian National Congress got the victory. J.L. Nehru became the first democratically elected Prime Minister of India.