Sinha was a follower of Maharaja Kamakhya Narain Singh and Maharaj Kumar Basant Narain Singh and was a member of their political Jan Kranti Dal.
He was elected to the 6th Lok Sabha, lower house of the Parliament of India from the Patna constituency of Bihar in 1977.
Before quitting Congress, he was among the four prominent leaders of Bihar unit during 1960s, the others being Krishna Ballabh Sahay, Satyendra Narayan Sinha and Binodanand Jha.
He sprang from a very aristocratic Kayastha family of Siwan district in Bihar.
Said Babu Rajender Prasad, "Mr Sinha is a most powerful speaker and one of the best workers of the province and is just like a son to me".