Central Electricity Regulatory Commission(R-1)
Damodar Valley Corporation (R-2)
BSES Rajdhani Power Limited (R-3)
BSES Yamuna Power Limited (R-4)
Tata Power Delhi Distribution Limited (R-5)
Haryana Power Generation Corporation Limited (R-6)
Kerala State Electricity Board Limited (R-7)
Bangalore Electricity Supply Company (R-8)
Hubli Electricity Supply Company (R-9)
Gulbarga Electricity Supply Corporation (R-10)
Mangalore Electricity Supply Company (R-11)
Chamundeshwari Electricity Supply Corporation (R-12)
Tata Steel Limited (R-13)