Indraprastha Gas, incorporated in 23 Dec, 1998, is a joint venture of GAIL (India) , Bharat Petroleum Corporation and the Government of the National Capital Territory of Delhi. Initially, it was established as a Non-Government company. IGL was incorporated to implement the compressed natural gas (CNG) expansion programme and the piped natural gas (PNG) project for varied applications in the domestic and commercial sector. The company supplies natural gas in domestic and commercial sectors along with alternative auto fuel. It operates approximately at 124 CNG stations and supplies piped natural gas (PNG) to approximately 13,085 domestic and 117 commercial consumers. IGL is headquartered at New Delhi.