Efforts are on to arrest the accused, said police. (Representational)

A 13-year-old tribal girl, allegedly raped by one of her family members, was found to be three months pregnant during a medical examination at a hospital in Kota in Rajasthan, police said on Thursday.

The girl was taken for a check-up on Tuesday after she complained of stomach pain.

On Wednesday, a complaint was filed by her parents and the girl alleged that she was raped by her paternal uncle on Holi in March, Assistant Sub-Inspector (ASI), Talera police station, Inder Kumar, said.

The girl, who belongs to the Banjara tribe and is a Class 8 student, said she went out for shopping with her uncle and he raped her in an isolated area. He also allegedly threatened her if she reported the matter, he said.

She is undergoing treatment at the hospital, Inder Kumar said, adding that incident took place in a village in Bundi district.

A case has been filed against the accused under Section 376 (rape) of the Indian Penal Code and relevant provisions of the Protection of Children from Sexual Offences (POCSO) Act, the officer said.

Efforts are on to arrest him, he said