The Power Grid Corporation of India Limited (POWERGRID), is an Indian state-owned electric utilities company headquartered in Gurugram, India. POWERGRID transmits about 50% of the total power generated in India on its transmission network. Its former subsidiary company, Power System Operation Corporation Limited (POSOCO) handles power management for National Grid and all state transmission utilities. POWERGRID also operates a telecom business under the name POWERTEL. I S Jha, an alumnus of National Institute of Technology, Jamshedpur serves as the Chairman and Managing Director of the company.