The cadre, identified as Saitom Rabha, suspected to have visited the city to carry out a kidnapping plot and was staying in a hotel in the Panbazar area here for the last two weeks, they said, adding, that he managed to escape in a vehicle towards Jagiroad in neighbouring Morigaon district.
All security checkposts were alerted and finally he was nabbed near Khetri area.
One 9 mm pistol with three rounds of live cartridge, a mobile phone along with a SIM card, some cash, a driving licence and a car were seized from him, they added.