A police head constable was found dead in mysterious circumstances today at his residence situated at Police Line, Mulla Talai. Head constable Vishnu Prasad Sen was rushed to hospital but declared dead by the doctors. Victim’s family state that the death was an accident, but marks on neck and injury marks on face of the deceased have cast doubts on the cause of death. Police officials did not comment and are waiting for the post mortem report before venturing into further investigation. Vishnu Prasad Sen was presently posted at Police Line.