In a joint operation, troopers of the Assam Rifles and local police apprehended four cadres of the Yung Aung faction of NSCN-K in Tinsukia district.
The arrest was possible after 24-hours of grueling search operation along the Assam-Arunachal border.
The NSCN-KYA cadres were identified as Osa Gangsa, Pumla Pansa, Panglang Gangsa and Jangang Patadam.
Upon interrogation, the cadres revealed the location of a huge cache of arms and ammunition they hid.
Security forces found 3 numbers of MQ 81 Assault Rifles, 294 live rounds, 7 magazines, 3 mobile phones and other camp materials at the location.
Further investigation is on.