The brother of the victim has also suffered injuries.
As per reports, the brother-sister duo was on a bike when they were attacked by four persons.
The brother was shot and the woman was raped.
A case has been lodged in the regard, said police.
V Tada, Superintendent of Police of Rampur said, "We got information about the gang-rape around 8 pm. Out of 4 people, and victims have named their two relatives. Probe on." (ANI)