Bihar State Electricity Board
U.P Rajya Vidyut Utpadan Nigam Limited
Maharastra State Electricity Board
Gujarat State Electricity Corporation Limited
Andhra Pradesh Generation Company (APGENCO)
Karnataka Power Corporation Limited.
Tamilnadu Electricity Board
Punjab State Electricity Board
Indraprastha Power Generation Co. Ltd.
Rajasthan Rajya Vidyut Utpadan Nigam Limited
National Thermal Power Corporation (NTPC)
Damodar Valley Corporation Ltd. (DVC) and TATA
Dainik Bhaskar Power Limited
Kanti Bijlee Utpadan Nigam Limited
Punjab State Power Corporation Ltd. (PSPCL)