Q. Who became Chief Minister of Bihar in March 1939?

Correct Answer: c) Shri Krishna Singh

Explanation:
After the 1937 provincial elections under the Government of India Act, 1935, the Indian National Congress formed the government in Bihar with Shri Krishna Singh (Sri Babu) as the first Premier/Chief Minister from July 1937. He continued in office until the Congress ministries resigned in October 1939. Therefore, in March 1939 the Chief Minister was Shri Krishna Singh. Anugraha Narain Singh was his deputy and finance minister, and Rajendra Prasad never served as Bihar’s Chief Minister.