Central Electricity Regulatory Commission(R-1)
Damodar Valley Corporation (R-2)
BSES Rajdhani Power Ltd. (R-3)
BSES Yamuna Power Ltd (R-4)
Tata Power Delhi Distribution Ltd. (R-5)
Madhya Pradesh Power Management Company Limited (R-6)
West Bengal State Electricity Distribution Company Limited (R-7)
Jharkhand Bilji Vitran NIgam Limited (R-8)