The mishap took place in Kendua village while an autorickshaw carrying collided head-on with a truck coming from the opposite side, Town police station in-charge Sanjeev Kumar Gupta said.
While three occupants of the autorickshaw died on the spot, two others sustained injuries, he said adding the bodies have been sent for post-mortem and the injured persons admitted to a hospital for treatment.
Efforts were on to ascertain the identity of the victims, the police officer said.