Central Electricity Regulatory Commission(R-1)
Punjab State Power Corporation Limited (R-2)
Haryana Power Utilities (UHBVNL and DHBVNL) (R-3)
BSES Rajdhani Power Limited (R-4)
BSES Yamuna Power Limited (R-5)
Tata Power Delhi Distribution Limited (R-6)
Himachal Pradesh State Electricity Board (R-7)