Maherban (60), who had been missing since January 9, was allegedly murdered by his son Mohsin over some family dispute, circle officer S P Sharma said.
Police, during the investigation over the missing complaint filed by the family of the deceased, interrogated son Mohsin yesterday, who confessed to the crime.
Mohsin said that he murdered his father with the help of some accomplices and the body was thrown into Ganga canal, Sharma said.