The victim was yesterday taken to an isolated place by the accused where they raped her. They threatened her not to divulge the incident to anybody, police said.
The girl managed to reach home and informed her parents about the incident, they said.
The victim lodged a complaint with Nandanvan police station, following which a case was registered against 19-year-old Rahul Namdeo Wadhave and the four minors, they said.
The minor offenders were arrested in swift action by the police and were sent to a correction home.