Pow er Grid (PGCIL) is India's largest pow er-transmission firm, carrying 55% of the power generated on the country's transmission lines. It ow ns and operates 92,946 circuit kilometres of transmission lines and 150 electrical substations. It also undertakes grid management and load-dispatch functions. PGCIL ow ns and operates a fibre-optic netw ork of over 25,000km, connecting about 200 cities. It leases bandw idth available on its network to major telecoms operators. PGCIL is undertaking an ambitious INR 1tn capex programme to expand its transmission network in the 12 th five-year plan. The government ow ns 69.42% of PGCIL. While the...