ONGC Tripura Power Company Ltd.(R-1)
Central Electricity Regulatory Commission (R-2)
Department of Power
Govt. of Arunachal Pradesh (R-3)
Department of Power
Government of Nagaland (R-4)
Manipur State Power Distribution Co. Ltd. (R-5)
Power and Electricity Department (R-6)
Meghalaya Energy Corporation Ltd. (R-7)
Tripura State Electricity Corporation Ltd. (R-8)