unconscious at Chanmari locality here yesterday, Aizawl district SP Lalbiakthanga Khiangte said.
The girl was found with her right arm severed and broken left arm and left jaw.
The girl was admitted in the Civil Hospital here.
Criminal cases of assault and grievous hurt were registered at Aizawl Police Station today.
Khiangte said that three men, who were reportedly with the victim in a car on Thursday night, were detained for interrogation.
The people who found her thought that she fell from a two storied building but the police suspected from the nature of the injuries that there might be foul play in the inciden.