Assistant police inspector Rani Laxman Puri of the Valiv police station told PTI that the four youth abducted the girl from a school where she was studying in February 2015.
They gagged and blindfolded her after which they took her to a dilapilated house in an isolated locality. She was gangraped and then threatened with dire consequences, the police official said.
The girl complained of complications and medical examination revealed that she was pregnant. Later, she revealed everything to her family members and an offence was registered with the Valiv police on Sunday, the police official said.