Power Grid Corporation of India Limited (POWERGRID) is a holding company, which is engaged in the business of transmission of power. The Company�s segments are transmission, consultancy, telecom, regional load despatch centers (RLDCs) and unified load dispatch centers (ULDCs). POWERTEL is the Company�s brand in telecom business. During the fiscal year ended March 31, 2012, the Company added about 10,600 circuit kilometer of extra high voltage (EHV) transmission lines, 15 EHV sub-stations and transformation capacity of more than 30,000 mega volt amperes (MVA). As of March 31, 2012, POWERGRID established transmission network of 92,981 circuit k kilometers of EHV transmission lines, 150 numbers of EHV alternating current (AC) and high-voltage direct current (HVDC) sub-stations, with a total transformation capacity of 1,24,525 MVA. Effective September 3, 2013, Power Grid Corp of India Ltd acquired the entire share capital of Vizag Transmission Ltd, from REC Transmission Projects Co Ltd.