A 22-year-old researcher from Manipur commuting with her European colleague was allegedly molested on a running train on September 11, railway police said Monday.

The victim approached Vashi railway police on Monday and filed a complaint, the official said. In her complaint, the victim stated that she was molested on September 11 by an unidentified man in a general compartment on a train while it was travelling between Vashi and Govandi stations on the suburban Harbour line.