Who was associated with the Kisan Movement in Bihar?

Explanation

Rajendra Prasad was associated with the peasant movement in Bihar. He was associated with Mahatma Gandhi in Bihar during the Champaran Satyagraha (1917). He was the Food and Agriculture Minister in the Interim Government formed in September 1946 and was also the President of the Constituent Assembly. After the Constitution came into force, he became the first President of India.