A powerful improvised explosive device (IED), weighing nearly seven kgs, was recovered from the coach of a train at Kamakhya station in Guwahati on Wednesday.
The explosive was found by patrolling RPF personnel in a bag lying abandoned in a coach of Intercity Alipurduar Express after it arrived on Wednesday afternoon at the station.
The explosive, timed to explode at 3:55 pm, was found along with fused wires wrapped in a polythene packet, and was kept in a tiffin box in the bag.
Senior RPF officials rushed to the spot and evacuated the passengers in time.
Bomb disposal unit also rushed to the station and took the bomb in its custody and defused it.
In view of the incident, security has been tightened and patrolling intensified in and around railway stations under the North East Frontier Railways in Lower Assam.