"The girls were raped early this morning at the bus stop near the station when they were waiting to catch bus to reach their home at Jarmundi village in nearby Jharkhand," Superintendent of Police Rishikesh Meena said.
The girls reached Rampurhat station from Burdwan late last night, sources said.
"When they were looking for Dumka-bound bus which starts from the bus stop near the station, three local youths forcibly took them to a deserted place and raped them," Meena said.
One person was arrested and the police have been looking for the two other youths, he said.
The girls have been sent to Rampurhat hospital for medical test, the police said.