The bomb went off just minutes after the security escort engine checking the tracks left the spot. Meanwhile, another bomb was recovered from the blast site and defused by bomb experts.

The blast is said to have caused a 2.5 feet deep crater on the track. Senior Police and army officials rushed to the blast site. Sources said that Karbi militant outfit KLNLF might be behind the blast. Meanwhile, the train operations have restored on the track after a few hours of the incident.