Central Electricity Regulatory Commission(R-1)
Tata Power Company Limited (Earlier known as Coastal Gujarat Power Limited) (R-2)
Maharashtra State Electricity Distribution Company Limited (R-3)
Ajmer Vidyut Vitaran Nigam Limited (R-4)
Jaipur Vidyut Vitaran Nigam Limited (R-5)
Jodhpur Vidyut Vitaran Nigam Limited (R-6)
Punjab State Power Corporation Limited (R-7)
Uttar Haryana Bijli Vitran Nigam Limited (R-8)
Dakshin Haryana Bijli Vitran Nigam Limited (R-9)
Central Electricity Authority (R-10)