The correct answer is (a) C. Rajagopalachari.
C. Rajagopalachari was the first recipient of the Bharat Ratna, India’s highest civilian award. He was a freedom fighter, statesman, and writer. He served as the first Governor-General of independent India and as the Chief Minister of Madras Presidency. He was also a member of the Constituent Assembly of India.
S. Radhakrishnan was a philosopher, statesman, and diplomat. He served as the second President of India. He was also the Vice-Chancellor of the University of Delhi and the University of Oxford.
Rajendra Prasad was the first President of India. He was also a freedom fighter and a member of the Constituent Assembly of India.
Jawaharlal Nehru was the first Prime Minister of India. He was also a freedom fighter and a member of the Constituent Assembly of India.
C. Rajagopalachari was the first recipient of the Bharat Ratna because of his contributions to the freedom struggle, his work in education and social reform, and his services to the nation.