On the complaint made by the parents, Indirapuram police registered a case against Sher Singh for molesting two girls during recess, they said.
According to the complaint, the parents brought the issue to the knowledge of the school management, which failed to take an action against the accused.
The accused was arrested yesterday, Indirapuram police station In-charge Gorakh Nath Yadav said adding, the role of school management in the episode was also being probed.
Around two months ago, a bus driver and conductor were arrested for allegedly molesting a school girl in Vasundhara.