A 41-year-old man boarded the wrong Rajdhani Express and reportedly opened fire after an altercation with the Travelling Ticket Examiner (TTE), according to a statement by the Eastern Railway.
No injuries or casualties were reported in this incident, it said.
The passenger had taken a ticket for the Howrah-New Delhi Rajdhani Express but boarded another train, i.e., the Sealdah-New Delhi Rajdhani Express, from Dhanbad, they said.