An NDFB (S) cadre was apprehended during a joint operation by the Army and police on Thursday in Kokrajhar district.
The rebel, identified as Dipak Basumatry alias B Dwibai, 23, was held at Bishmuri area in Kokrajhar district. He hails from Mainao Nwgwr village in the district.
Police said that Basumatry was 42 batch cadre of the banned rebel outfit.
One 7.65 mm pistol, two rounds of live ammunition and some cash were recovered from his possession.
A case is being registered against the NDFB (S) militant.