Central Electricity Regulatory Commission(R-1)
Punjab State Power Corporation Limited (R-2)
Haryana Power Purchase Centre (R-3)
Uttar Pradesh Power Corporation Limited (R-4)
Engineering Department (R-5)
BSES Rajdhani Power Limited (R-6)
BSES Yamuna Power Limited (R-7)
Tata Power Delhi Distribution Limited (R-8)
Uttaranchal Power Corporation Limited (R-9)
Jaipur Vidyut Vitran Nigam Limited (R-10)
Ajmer Vidyut Vitaran Nigam Limited (R-11)
Jodhpur Vidyut Vitaran Nigam Limited (R-12)
Power Development Department (R-13)
Himachal Pradesh State Electricity Board (R-14)