The local BJP leader Krishna Sahi was a resident of Chainpur village, Officer in-charge of Hatua police station Bimal Kumar Singh said.
The OC said according to the deceased's brother Umesh Sahi, Krishna had gone to Baswaria village to take part in Shradh ceremony of one Lal Babu Rai.
The family informed the police when Sahi did not returned home and his mobile was switched off.
In course of his search, the police found his body in a well, the OC said.