Central Transmission Utility of India Limited(R-1)
Central Electricity Regulatory Commission (R-2)
Bhakra Beas Management Board (BBMB) (R-3)
Rajasthan Rajya Vidyut Prasaran Nigam Limited (R-4)
Haryana Vidyut Prasaran Nigam Limited (R-5)
Rajasthan Urja Vikas Nigam Limited (R-6)
Himachal Pradesh State Electricity Board (R-7)
Engineering Department Union Territory of Chandigarh (R-8)