The accused identified as Akshay Nagulkar was arrested yesterday, following a complaint lodged by the minor.
"The accused had taken a room on rent at the victim's house in Mangalwari area in northern part of the city in April last year to run coaching classes. In May last year, he first sexually assaulted the girl and thereafter raped her several times threatening her of dire consequences," a statement issued by police said.
The victim went into depression and stopped going to school due to the repeated sexual abuse.
The accused has been booked under various sections of the Indian Penal Code (IPC), including 376 (rape) and Protection of Children from Sexual Offences Act (Pocso).
The accused was produced in a court yesterday, which sent him to two days of police custody.