He is the nephew of Prabhu Dayal Singh, the three term MLA from Mirganj Assembly constituency of Gopalganj district.

He served as district president of Rashtriya Janata Dal for Gopalganj before getting the party symbol in 2010 Bihar Legislative Assembly elections.

In 2010, he was candidate of RJD from Hathua Assembly constituency, but was defeated by Ramsewak Singh Kushwaha of Janata Dal (United).

[11] In 2020, Sabeya Siddiqui, the director of Sara International school, located at ITI square Hathua alleged that Kushwaha's brother Vijay Bahadur Singh demanded a ransom of 20 lakhs from her.

The situation of the region became tense as the victim and their dependents protested near the police station for undertaking the action by the administration against Hathua MLA Kushwaha.