ISI has been reported to operate training camps near the border of Bangladesh where members of separatist groups of the northeastern states, known as the "United Liberation Front Of Seven Sisters" are trained with military equipment and terrorist activities.
These groups include the National Security Council of Nagaland [NSCN], People's Liberation Army [PLA], United Liberation Front of Assam [ULFA], and North East Students Organization [NESO].
The general staff of the ISI mainly come from paramilitary forces and some specialised units from the Pakistan Army such as the some chosen people from SS Group (SSG), SSG(N), and the SS Wing.