The incident took place on February 25 when the victims were taken to a dilapidated structure by the duo who belong to Nalasopara in Vasai, Assistant Police Inspector, Sudharshan Potdar of Valiv police station said.
While one of accused raped the girl, her friend who tried to help her was beaten up, the officer said.
Following a complaint, a case under relevant sections of IPC and Protection of Children from Sexual Offences Act (POCSO) was registered yesterday, he added.
