Dehradun police has arrested a person on the charge of sexually assaulting a minor girl on Thursday night. The accused has been identified as Nazakat, native of Bijnor. Nazakat was living at Gandhi Gram. Finding the girl alone in her house, the accused allegedly raped her, police said. Her father found her unconscious after he returned. Victim’s parent registered a complaint at Kotwali police station and a case under Section 376 of IPC and section ¾ of Protection of Children from Sexual Offences (POCSO) Act was lodged against the accused in Kowali police station.