According to the complaint lodged by the teenager and her family, the incident took place on June 14 when she had gone to her relative's house in Boniyar area to attend a marriage function, they said.
As the girl stepped out of the house, she was kidnapped by three youths and taken to a secluded forest area, nearly one kilometre from the house, and gangraped.
Police has arrested two of the three youths and a case under sections 364 (Kidnapping), 354 (outraging modesty) and 376 (rape) has been registered against the accused.