Central Electricity Regulatory Commission(R-1)
Tata Power Company Limited (earlier known as Costal Gujarat Power Limited) (R-2)
Gujarat Urja Vikas Nigam Limited (R-3)
Maharashtra State Electricity Distribution Company Limited (R-4)
Ajmer Vidyut Vitaran Nigam Limited (R-5)
Jaipur Vidyut Vitaran Nigam Limited (R-6)
Jodhpur Vidyut Vitaran Nigam Limited (R-7)
Punjab State Power Corporation Limited
(R-8)
Central Electricity Authority (R-9)