According to the complaint registered in connection with the case, the 13-year-old girl had left home for school yesterday, but neither reached school nor returned home, they said.
The family approached the police after their efforts to trace her failed.
In a similar incident here, a 38-year-old woman, a school teacher, has gone missing.
A complaint in this regard has been registered by her husband, who lives in Sector 34.
Arvind Chuhan, husband of the missing woman registered a complaint with the police, stating that his wife had taken leave from school to go somewhere, but did not return, a police spokesperson said.