[2][3] He was a member of Koeri community and his daughter Suchitra Sinha is married to Nagmani, son of Jagdeo Prasad who was popularly known as "Lenin of Bihar".

[4] Singh headed a coalition government led by Soshit Samaj Dal and supported by the Indian National Congress.

He was elected to the 7th Lok Sabha (the lower house of the Parliament of India) from the Khagaria constituency of Bihar in 1980 as a member of the Congress Party.

[9] Singh joined the Indian National Congress in 1980 and was elected to the Lok Sabha in his very first attempt.

The inter-caste marriage being difficult in those days, they had to defy their parents in order to marry each other.