| PGCIL |
 |
Power Grid Corporation of India Ltd. |
| |
|
|
| BHEL |
|
Bharat Heavy electrical Limited |
| |
|
|
| NTPC |
|
National thermal power Corporation |
| |
|
|
| PSPCL |
|
PUNJAB STATE POWER CORPORATION LIMTED |
| |
|
|
| GETCO |
|
GUJRAT ENERGY TRANSMISSION CORPORATION LIMITED |
| |
|
|
| PTCUL |
|
POWER TRANSMISSION CORPORATION OF UTTARAKHAND LIMITED |
| |
|
|
| UPPTCL |
|
UTTAR PRADESH POWER TRANSMISSION CORPN LTD |
| |
|
|
| RRVPNL |
|
Rajasthan Rajya Vidyut Prasaran Nigam Limited |
| |
|
|
| MPKVVNL |
|
MPKVVNL, Bhopal, Jabalpur and Indore region |
| |
|
|
| JKSPDCL |
|
Jammu & Kashmir State Power Distribution Corporation Ltd. |
| |
|
|
| CSPDCL |
|
CHHATTISGARH STATE POWER DISTRIBUTION CORPORATION LTD. |
| |
|
|
| HPSEB |
|
HIMACHAL PRADESH STATE ELECTRICITY BOARD |
| |
|
|
| MPEB |
|
MADHYA PRADESH ELECTRICITY BOARD |
| |
|
|
| DHVPNL |
|
DAKSHIN HARYANA VIDYUT PRASARAN NIGAM LTD |
| |
|
|
| UHVPNL |
|
UTTAR HARYANA VIDYUT PRASARAN NIGAM LTD |
| |
|
|
| APTRANSCO |
|
ANDHRA PRADESH TRANSMISSION COMPANY |
| |
|
|
| MSETCL |
|
MAHARASHTRA STATE ELECTRICITY TRANS.CORPN LTD |
| |
|
|
| DTL |
|
DELHI TRANSCO LTD |
| |
|
|
| BIS |
|
BUREAU OF INDIAN STANDARDS |
| |
|
|
| |
|
|
| |
|
|
