Dr. Rajendra Prasad is known as the Gandhi of Bihar. He played a significant role in the Indian independence movement and was one of the prominent leaders of the Indian National Congress. He served as the first President of India from 1950 to 1962.

Dr. Rajendra Prasad was born on December 3, 1884, in Zeradai, Bihar. He completed his education in Calcutta and then went on to study law at the University of Calcutta. He became actively involved in the freedom struggle and joined the Indian National Congress in 1911.

Here are some key points that highlight Dr. Rajendra Prasad's contribution and why he is known as the Gandhi of Bihar:

1. Involvement in the Independence Movement:
- Dr. Rajendra Prasad actively participated in various non-cooperation and civil disobedience movements led by Mahatma Gandhi.
- He played a crucial role in mobilizing people and organizing protests against British rule in Bihar.

2. Leadership in the Champaran Satyagraha:
- Dr. Rajendra Prasad played a significant role in the famous Champaran Satyagraha in 1917.
- This movement aimed to address the grievances of indigo farmers who were exploited by British planters.
- Dr. Prasad worked closely with Mahatma Gandhi during this movement and played a vital role in its success.

3. Contribution as a Lawyer and Educator:
- Dr. Rajendra Prasad was a renowned lawyer and taught in various educational institutions.
- He worked towards the upliftment of the backward communities and advocated for the rights of marginalized sections of society.

4. Role in the Constituent Assembly:
- Dr. Rajendra Prasad was elected as the President of the Constituent Assembly, which drafted the Indian Constitution.
- He played a crucial role in shaping the Constitution and ensuring that it reflected the aspirations of the people.

5. First President of India:
- Dr. Rajendra Prasad became the first President of India when India became a republic in 1950.
- He served two terms as President and is remembered for his simplicity, integrity, and commitment to democratic values.

In conclusion, Dr. Rajendra Prasad's active participation in the freedom struggle, his leadership in the Champaran Satyagraha, his contributions as a lawyer and educator, and his role in the drafting of the Indian Constitution make him the Gandhi of Bihar.