Hyderabad: A woman filed a case at Gachibowli Police Station against an auto driver for allegedly sexually assaulting her in the wee hours of Tuesday. According to the police, the woman, who works at a private company in Ameerpet, boarded the auto around 0230 hours at Ramachandrapuram (RC Puram). Upon reaching the Masjid Banda area, the auto driver allegedly assaulted her before fleeing the scene. A case has been registered, and an investigation is underway, the sources added.