Malkhan Singh alias Madhav Mondal was captured last night from a jungle near Jamalpur village in Habibpur, Superintendent of Police, Malda, said.
On receiving a tip-off that Malkhan Singh was hiding in a jungle near Jamalpur, a police posse rushed to the spot and cordoned off the village and nabbed him, the SP said.
One automatic rifle, ammunition and cash were seized from the militant, the SP said.
Singh, who has several cases related to terrorist activities pending against him, will be produced in the Chief Judicial Magistrate's court today.
The KLO was formed in 1995 with the objective of carving out a separate Kamtapur state comprising six districts-- Cooch Behar, Darjeeling, Jalpaiguri, North and South Dinajpur and Malda--of West Bengal and four contiguous districts of Assam--Kokrajhar, Bongaigaon, Dhubri and Goalpara.