A total of 246 militants of United Gorkha People's Organisation and Tiwa Liberation Army formally surrendered before Assam Chief Minister Himanta Biswa Sarma in Guwahati on Thursday.
The members of the insurgent groups -- United Liberation Front of Assam, National Democratic Front of Boroland, Rabha National Liberation Front, Kamtapur Liberation Organisation, Communist Party of India-Maoist, National Santhal Liberation Army, Adivasi Dragon Fighters and National Liberation Front of Bengali -- joined the mainstream in front of Assam Chief Minister Sarbananda Sonowal at a programme.