NTPC Limited is an India-based company, which is engaged in the generation and sale of electricity. The principal business activity of the Company is the electric power generation by coal-based thermal power plant. The Company's business segments include Generation and Others. The Company's Other business includes providing consultancy, project management and supervision, re-gasification, oil and gas exploration and coal mining. The Company has an installed capacity of 47,178 megawatts (MW), including joint ventures (JVs) with over 18 coal-based, seven gas-based stations and one hydro -based station. The Company has approximately nine joint venture stations, which are coal-based. It also holds approximately nine renewable energy projects. The Company's subsidiaries include NTPC Electric Supply Company Limited, NTPC Vidyut Vyapar Nigam Limited, Kanti Bijlee Utpadan Nigam Limited, Bhartiya Rail Bijlee Company Limited and Patratu Vidyut Utpadan Nigam Limited.