The girl also alleged that she was mentally tortured by the professor. The incident occurred in November last year.
College students yesterday staged protest and demanded professor's arrest.
Police have registered a case under Section 509 IPC (outraging the modesty of a woman) and Section 354A IPC at Lodhi Colony PS. The accused teacher has not been arrested yet.
Police said that they are inquiring into the complaint registered by the girl and will be taking action appropriately.