Northern Railway spokesperson Deepak Kumar said the incident was report at 6.41 a.m., after a guard of the train noticed smoke in the luggage van and informed officials.
At least nine people were killed in an inferno in a multi-storeyed building in Kolkata, which houses zonal offices of Eastern Railway and South Eastern Railway on Monday.
Out of the seven deceased, four were firefighters, one assistant sub-inspector posted at the Hare Street police station and one RPF personnel, Fire and Emergency Services Minister Sujit Basu said
Armed with blowers, beaters and other equipment, the two teams comprising five members each, swung into action and controlled the fire from spreading further.
The police officer, however, added that she frequently changed her statements and also said that she was not aware how she reached the hospital from the third floor of her college building.
Five labourers died in the fire which broke out in a five-storeyed under-construction building in the Serum Institute of India's Manjari premises in Pune.