TIRUPATI: In a shocking incident, a seven-year-old school dropout was allegedly raped by an unidentified person at the foot of Tirumala hills on Tuesday. Sources said the girl was forcibly taken away by the stranger from Ruia Hospital where her mother was undergoing treatment.Around 10 am, the stranger entered the OP ward and took the OP card of the woman. When the girl questioned him, he took her away. After a few hours, the girl returned complaining to her ailing mother that the man had physically abused her. Following a complaint, police sent the girl for medical examination.The woman and her daughter migrated to Tirupati from Anantapur last year after her husband passed away. The woman is a daily wage earner.