According to police, the accused has been identified as one Dharmendra.
The woman has alleged that the coach attendant of the Bhubaneswar Rajdhani had tried to touch her inappropriately at night when everyone was sleeping.
The accused was caught by fellow passengers and RPF after the woman raised an alarm. He was later handed over to police, who registered an FIR and placed him under arrest.
The complainant said that the train had reached somewhere in Uttar Pradesh when the alleged incident took place.