A girl has filed a police complaint alleging she was gang-raped by three army personnel in a running train on Monday, police said.
Police said they have arrested one army man, and the others will be arrested soon.
The girl was travelling in the Howrah-Amritsar express train. She had boarded the army compartment in the train at Howrah and was on her way to Ludhiana to meet a friend.
According to the police complaint, the girl said she was offered liquor by the army men, and three personnel raped her when she was drunk.
The girl got down from the train at Madhupur station in Deoghar district of Jharkhand on Monday and informed railway police, who arrested one army man.
There was, however, no comment from the army about the incident.
Police said a medical test will be conducted on the girl to ascertain rape.
On December 20, two girls were gang-raped in the Jharkhand capital. Four youths were arrested on Monday in the case.
Jharkhand has witnessed a surge in crimes against women. The number of kidnapping and rape cases this year till August stood at 996 and 1,261 respectively, up from 792 and 905 during the same period in 2014.