An ULFA (I) rebel was killed in an encounter with security forces on Thursday night at Pachim Nalbari area under Tangla police station in Udalguri district.
Police sources said the encounter took place when a joint team of police and Army raided the area following an intelligence input that a group of ULFA (I) cadre is taking shelter at a family.
The slain rebel has been identified as Rajen Deka. Police recovered an AK-47 rifle, three magazines, 38 live bullets, two grenades and seven mobile phones besides cash Rs 6000 from the spot.
The other members of the group managed to escape under the cover of darkness.