Acting on a tip-off of Army's Gajraj Intelligence, a joint team of the Army, police and CRPF's 175 BN launched an operation to apprehend the suspected extremist, identified as Saitom Rabha, from a city hotel where he had been staying for the past two weeks, defence sources said.
Twenty-year-old Rabha, who was suspected to have visited the city to carry out a kidnapping plot, managed to escape in a vehicle towards Jagiroad in neighbouring Morigaon district, they said.
All security checkposts were alerted and finally Rabha, hailing from the from Kokrajhar district, was nabbed near Khetri area.
Police have initiated an investigation into the matter, the sources said.