The 81-year-old Tunda, a close aide of wanted terrorist Dawood Ibrahim, was accused of carrying out blasts in five trains in different cities in December 1993 to mark the first anniversary of the Babri Masjid demolition.
The New Delhi-Howrah Rajdhani Express was at a slow speed while it was passing through a platform of the Baruipara station, around 27 km from Kolkata, when two front wheels of the engine jumped the tracks, Eastern Railway CPRO Samir Goswami told PTI.
Irked over a 14-minute delay in the departure of a passenger train, travellers on Friday detained Howrah-bound Rajdhani Express for about two hours, 15 km from Kolkata.
Six long distance trains bound for Howrah and Sealdah were delayed due to the bandh called by the Maoist Communist Centre and People's War in Bihar and Jharkhand.