No casualty has been reported so far.
At around 4.30 am, a fire broke out in the kitchen and engulfed the train. The train was then halted at Dharamtul Station.
Trains on the Guwahati and Lumding railway track were stopped for 3 hours, police and Railway sources said.
Fire tenders fought for two hours to douse the flame, the sources said.
The railway track was cleared at 8 am after the fire was completely doused but the train was still in the station, they said.
Senior railway official have rushed to the spot.