The incident took place at around 2:05 am. (JPN/Agencies)
Seventeen passengers were seriously injured and shifted to Gauhati Medical College Hospital, the police said.
Rest of the passengers received minor injuries and were released after receiving the first aid in Morigaon Civil Hospital, Northeast Frontier Railway, sources said.
Senior railway officials have rushed to the site and rescue operations are on.
The helpline numbers are: Dimapur 03862-228404, Lumding 03674-264848/49/50 and Guwahati 0361-2731621/22/23.
The incident took place at around 2:05 am.