Central Electricity Regulatory Commission(R-1)
Tata Power Company Limited (R-2)
Gujarat Urja Vikas Nigam Limited (R-3)
Punjab State Power Corporation Limited
(R-4)
Maharashtra State Electricity Distribution Company Limited (R-5)
Uttar Haryana Bijli Vitran Nigam Limited (R-6)
Dakshin Haryana Bijli Vitran Nigam Limited (R-7)
Union of India
Ministry of Power (R-8)