Two bogies of Shaheed Express derailed in Lucknow on Monday morning. The train was on its way to Jaynagar in Bihar.
The incident took place around 8 am when 04674 Amritsar to Jaynagar left the platform at the Charbagh railway station and two of its bogies derailed.
No casualty has been reported in the incident.
The train had left from the yard and was running at a slow pace, a railway official said.
There were only 155 passengers in the two coaches and arrangements were made for them, an official added.