The 15-year-old girl went missing in the morning, according to a complaint filed by her father, Bellary Superintendent of Police Chetan Kumar Rathore said.
The girl, a ninth standard student of a government school, was not going to school for the last one month.
Today she went missing and her father went in search of her. Later, the girl's body was found in an agricultural field, Rathore said.
However, the body had no injury marks, he said, adding, doctors are conducting medical examination to confirm rape.