The teacher, Irfan Ahmed Siddiqi, 37, taught Arabic at the religious school.
Siddiqi, who also used to give tuitions on the school premises, allegedly misbehaved with the minor girl two days back, said Maddanapet Police Station Additional Inspector K Chandrasekhar.
Action against Siddiqi was taken after the parents of the alleged victim, who used to attend his tuition class, filed a police complaint. Siddiqi has not been arrested.
Following the complaint, a case was registered against the teacher under relevant sections of IPC as also the Protection of Children from Sexual Offences Act (POCSO Act), police said, adding that inquiries are on in the case.