The girl, who was to get married today, was found murdered with her throat slit open near her house yesterday morning. Later, the body was sent for post mortem examination, police said.
The medical report received today confirmed that she was raped before being killed, police said, adding that the manner in which she was murdered indicated towards the involvement of more than one person in the crime.
The Chief Medical Superintendent Bhaskar Rai said advanced medical examination report was awaited.
The family members of the girl were still protesting, till reports last came in.