The correct answer is (a) Lord Mountbatten.
Lord Mountbatten was the last Viceroy of India and the first Governor-General of free India. He was appointed as the Viceroy of India in 1947 by the British government. He was tasked with overseeing the transfer of power from the British to the Indian people. He also played a key role in the partition of India.
Sir Stafford Cripps was a British Labour Party politician who served as the British Secretary of State for India from 1942 to 1945. He was sent to India in 1942 to negotiate with the Indian National Congress and the Muslim League on the future of India. However, his mission was unsuccessful and the British government decided to partition India.
C. Rajgopalachari was an Indian independence activist and politician who served as the Governor-General of India from 1948 to 1950. He was a member of the Indian National Congress and a close associate of Mahatma Gandhi. He was also the Chief Minister of Madras Presidency from 1937 to 1939 and from 1952 to 1954.
Dr. Rajendra Prasad was an Indian independence activist and politician who served as the first President of India from 1950 to 1962. He was a member of the Indian National Congress and a close associate of Mahatma Gandhi. He was also the President of the Indian National Congress from 1934 to 1936 and from 1947 to 1950.