A 15-year-old girl was allegedly gang-raped multiple times over a period of eight months in Maharashtra's Thane district and the police have arrested 24 persons and detained two minors in the case, an official said on Thursday.

Based on the girl's complaint, the Manpada police in Dombivli registered a case on Wednesday night against 33 persons under IPC sections 376 (rape), 376 (n) (repeated rape), 376 (d) (gang-rape), 376 (3) (rape on a woman under sixteen years of age) and provisions of the Protection of Children from Sexual Offences (POCSO) Act, he said.