• Power Grid Corporation of India Limited
• Patiala State Transmission Cor. Ltd.

• Rajasthan Rajya Vidyut Prasaran Nigam Limited
• Jodhpur Vidyut Vitran Nigam Limited

• Ajmer Vidyut Vitran Nigam Limited
• Uttar Pradesh Power Transmission Corp Ltd

• Purvanchal Vidyut Vitran Nigam Limited
• Paschimanchal Vidyut Vitran Nigam Limited

• Dakshinanchal Vidyut Vitran Nigam Limited
• Madhyanchal Vidyut Vitran Nigam Limited

• Madhya Pradesh Power Transmission Corp Ltd
• Maharashtra State electricity Dist Corp Ltd

• Madhya Gujarat Vij Company Ltd
• Uttar Gujarat Vij Company Ltd

• TS Transco Hyderabad
• Northern Power Distribution Co Ltd, Warangal

• Southern Power Distribution Co Ltd, Tirupati
• Karnataka Power Transmission Corp Ltd

• Mysore Electricity Supply Company
• Chamundeshwari Electricity Supply Company

• Gulbarga Electricity Supply Company
• TANTRANSCO, Chennai

• Kerala State electricity Board
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