The direction came a day after the blast that took place near Rangia in Assam’s Kamrup (Rural) district on Sunday evening, PMO sources said on Monday.
At least 50 passengers were injured as six coaches of Guwahati-Puri Express derailed following the blast.The Prime Minister holds the portfolio of Railways in absence of a cabinet minister.

IED blast caused derailment of Guwahati-Puri Express: Railways An improvised explosive device was used to trigger the blast that led to the derailment of the Guwahati-Puri Express in Kamrup district in Assam that left 100 passengers injured, officials said.

Railway PRO Nripendra Bhattacharya said the explosion led to the engine and eight coaches jumping the rails at around 8:30 on Sunday evening at Dhatkuchi between Rangia and Ghagrapar in the district.

Four of the coaches toppled over and fell into a three feet water-filled ditch following the explosion, he said.

A large crater beside the tracks and a huge length of fuse wire leading to a jungle were found by the Bomb Disposal Squad after the derailment.A senior police officer said it appeared to be the handiwork of the Ranjan Daimary-led National Democratic Front of Bodoland anti-talk faction, active in the area.

Railway officials are supervising restoration operations at the spot with 300 labourers at work, the officer said. A special train with 800 passengers of the Guwahati-Puri Express left Guwahati for Puri at 5:30 am on Monday morning. Helplines have been set up at Guwahati 0361-2731621/22 and at Rangiya 03621-240238