Superintendent of Police Mukdha Jyoti Mahanta said the chairman of Karbi People's Liberation Tiger (KPLT) has been arrested at Parokhuwa Bazar near Dokmoka town, following a tip off.
A .22 rifle was recovered from Kramsa.
KPLT has been involved in poaching of rhinos in the Kaziranga National Park located in Golaghat district of the state.
A breakaway faction of the Karbi Longri National Liberation Front (KLNLF), KPLT was formed in 2011 with an objective to carve an autonomous Karbi state out of Assam.