Residents of the Bhatpara Assembly constituency were staging protest against violent political clashes during the by-election on Sunday.
Train service has become very popular as it is very cheap, fast and safe against other modes of transport available in the valley, where traffic jam due to damaged roads has become a daily routine.
All departures were stopped at 7.15 am and were resumed only at 9:16 am at the Indira Gandhi International airport.
Goyal, who arrived in Bengaluru on Tuesday to pay his respects to departed Union Minister Ananth Kumar, interacted with railway officials when travelling from Kempegowda International airport.
The train will run from Jayanagar in Bihar to Kurtha in Dhanusa district in Janakpur Zone of south-eastern Nepal, which is a 34 km stretch.
The "bomb-like" substance was detected by an on-duty keyman of Eastern Railway near the down line between the terminal station Sealdah and Park Circus.
Kerala faces the gigantic task of rehabilitating people rendered homeless and preventing outbreak of diseases.
Mumbai bridge collapse: Five injured; western line train services hit; Railway Minister Piyush Goyal orders inquiry
Overhead Equipment have been damaged and a team of engineers have swung into action to restore it, chief PRO of Western Railway Ravinder Bhakar informed the media.
The maximum Air quality in the national capital and its nearby areas is hovering between 400-700, which is above the danger level.