The chief of armed wing of banned Manipuri militant group Kanglei Yawol Kana Lup (KYKL) has been arrested by security forces.
Ningthoujam Tomba alias Koireng alias Tomba was arrested in a joint operation by the Manipur and West Bengal police in Siliguri, police said.
Home Ministry officials said that during the investigation, they found a bank account in his name with a deposit of Rs 28 lakh besides a house in Kolkata.
A woman, Saraswati Ray, who was staying with the 57-year-old militant was also arrested. After interrogating them, two other women from Kurseong were arrested, Darjeeling Superintendent of Police D P Singh said.
A satellite phone and some documents were also seized from him, they said, adding he would be brought to Manipur for trial, police said.
KYKL is a major insurgent organisation operating in Manipur for the past few decades and has been waging an armed struggle for an 'independent Manipur'.
Home Ministry officials said the militant had a lavish lifestyle and it was important for the people to see through
the game-plan of such groups.