Central Electricity Regulatory Commission(R-1)
Tamil Nadu Generation and Distribution Corporation Limited (R-2)
Transmission Coporation of Andhra Pradesh Limited (R-3)
Southern Power Distribution Company of Andhra Pradesh Ltd. (R-4)
Eastern Power Distribution Company of Andhra Pradesh (R-5)
Transmission Corporation of Telangana Limited (R-6)
Northern Power Distribution Company of Telangana Limited (R-7)
Southern Power Distribution Company of Telangana Limited (R-8)
Power Compnay of Karnataka Limited (R-9)
Bangalore Electricity Supply Company Limited (R-10)
Mangalore Electricity Supply Company Limited (R-11)
Chamundeshwari Electricity Supply Company Limited (R-12)
Gulbarga Electricity Supply Company Limited (R-13)
Hubli Electricity Supply Company Limited (R-14)
Kerala State Electricity Board Limited (R-15)
Puducherry Electricity Department (R-16)