An offence has been registered against a man for allegedly repeatedly raping and impregnating a 13-year-old girl in Maharashtra's Thane city, police said on Friday.

The city police on Thursday registered a case under section 376(2)(n) (rape) and other relevant provisions of the IPC and Protection of Children from Sexual Offences (POCSO) Act at Kasarwadavali police station, an official said.