S. Radhakrishnan was the 2nd President of India.
A
Correct answer
Explanation
Dr. Sarvepalli Radhakrishnan served as the second President of India from 1962 to 1967, succeeding Rajendra Prasad who was the first President. Radhakrishnan was a renowned philosopher and statesman before his presidency. His birthday (September 5) is celebrated as Teachers' Day in India.