Three unidentified bodies have been recovered in the last 24 hours, they said.
A body was fished out Rajwah nullah under Bhojpur police station and sent for post-mortem, police said.
Prima facie it appeared that the person was murdered before being thrown into the nullah, they said.
Another body was found near Manki Rajwah in Kadrabad village.
There were injury marks on the body, which reflects it was a case of murder, police said.
Meanwhile, a youth was found dead in Brijvihar area here, they said.