All passengers of the train are safe.
"At around 2.00 am three coaches including the pantry car caught fire between Bikramgarh Alot and Phuria stations in Kota division," Railways spokesperson Anil Saxena said.
Three fire tenders were rushed to the spot and the blaze has been brought under control. The couplings of the coaches were detached immediately by the railway staff to stop the spread of fire, he said.
The cause of the fire, which started from the pantry car of the Delhi bound train, is yet to be ascertained.
Though none was injured in the incident Railways has declared ex-gratia of Rs 5,000 for the passengers of coaches B6 and B7, which were affected by the blaze, the spokesperson said.
Rail traffic has been disrupted in the Nagda-Kota line due the fire. Saxena said all steps are being taken to resume traffic in the line at the earliest and food and water is being supplied to the passengers.
There were about 900 passengers including Railway staff in the train. A three-member Railways team consisting of senior railway officials have been dispatched to the spot. The officials in the team are -- Arunendra Kumar, R N Lal and Ashish Malhotra, Saxena said.
Railways has also set up helplines at Kota, Ratlam and Mumbai to disseminate information about the incident.