Entirely Inhouse Developed in R&d Lab

State Transmission Company

1. Andhra Pradesh - Transmission Corporation of Andhra Pradesh Ltd. www.aptransco.gov.in.

2. Arunachal Pradesh .

3. Assam .

4. Bihar .

5. Chhattisgarh - Chhattisgarh State Power Transmission Co. Ltd. (CGSPTCL) www.cseb.gov.in.

6. Delhi - Delhi Transco Ltd. www.delhitranco.gov.in.

7. Gujarat - Gujarat Electricity Company Ltd. www.getcogujarat.com.

8. Haryana - Haryana Vidyut Parsaran Nigam Ltd. (HVPNL) www.hvpn.gov.in .

9. Himachal Pradesh -Himachal Pradesh Power Transmission Corporation Ltd. (HPPTCL) www.hpptcl.gov.in.

10. Jharkhand .

11. Karnataka - Karnataka Power Transmission Company Ltd. www.kptcl.com .

12. Kerala .

13. Manipur .

14. Madhya Pradesh - Madhya Pradesh Power Transmission Company Ltd. www.mptransco.nic.in .

15. Maharashtra – Maharashtra State Electricity Transmission Company Ltd. www.mahatransco.in.

16. Meghalaya .

17. Orissa - Orissa Power Transmission Corporation Ltd. (OPTCL) www.optcl.co.in.

Grid Corporation of Orissa Ltd.(GRIDCO) www.gridco.co.in.

18. Punjab - Punjab State Transmission Corporation Ltd (PSTCL) www.pstcl.org.

19. Rajasthan - Rajasthan Rajya Vidyut Prasaran Nigam Ltd. (RVPN) www.rvpn.co.in.

20. Tamil Nadu .

21. Tripura www.ptcul.org .

22. Uttarakhand - Power Transmission Corporation of Uttarakhand Ltd www.ptcul.org.

23. Uttar Pradesh - Uttar Pradesh Power Transmission Corporation Ltd. (UPPTCL) www.upptcl.org.

24. West Bengal - West Bengal State Electricity Transmission Co. Ltd. (WBSETCL) www.wbsetcl.in .