Acting on a tip-off, a joint team of the army and police nabbed the militant from a bus at Ganesh Mandir Chowk on NH 31 in the district and a 7.65 pistol, four rounds of ammunition and some documents were seized from him.
The police claimed that the militant, identified as Bodoland Boro, was associated with those involved the Balajan Tiniali market attack on August 5.
The militant hails from Dhurmopur village in Kokrajhar district and was on his way to Guwahati from Kokrajhar, police said.
The Centre has asked Assam government to hunt down those involved in the attack and bring them to justice, Home Minister Rajnath Singh told Lok Sabha today in a suo motu statement.
PTI