Three coaches of 12363-up Haldibari express jumped the rail between Nalhati and Chatra stations at Sahebganj loop of the Eastern Railway today.
There was, however, no injury to any passenger, a railway spokesman said here.
The train was running from Kolkata to Haldibari in north Bengal.
The railway has opened a helpline at Sealdah station whose number is 23503537 and two in Kolkata station with numbers 23503076 and 27050307.
