Complex sentence: The agency was given the special duty of protecting the forest and the residents from the harassment of other tribal communities like "Khosa, Bhil, Daferas" as well as provide security to the north Gujarat residents from these tribal conflicts.
Split into simpler sentences: The agency was given the special duty of protecting the forest and the residents from the harassment of other tribal communities such as the Khosa, Bhil and Daferas. They also provided security to the north Gujarat residents from these tribal conflicts.