Incorporated in 1998, IGL is a pioneer of commercialisation of CNG for the automotive sector in Delhi. The company is a joint venture, promoted by GAIL, BPCL, and the Delhi government. Its main operations are two business segments – CNG, which contributed approximately 75 per cent to the company's sales volumes in FY17; also involves distribution of CNG to automobiles through gas stations and PNG business—supplies natural gas to homes and commercial and industrial establishments.