The correct answer is C. Haryana Vidyut Prasaran Nigam Ltd.
HVPNL stands for Haryana Vidyut Prasaran Nigam Ltd. It is a state-owned power transmission company in Haryana, India. It was established in 1998 and is headquartered in Gurgaon. The company is responsible for the transmission of electricity in the state of Haryana. It has a network of over 10,000 kilometers of transmission lines.
The other options are incorrect. Option A is incorrect because Haryana does not have a company called Haryana Voltage Purchase Nigam Ltd. Option B is incorrect because Haryana does not have a company called Haryana Voltage Prasaran Nigam Ltd. Option D is incorrect because Haryana does not have a company called Haryana Vidyut Purchase Nigam Ltd.