Sales Volume of Key CGD Companies during FY2019 and FY2021* (mmscmd) April 1, 2021 | Data Bank *As of December 2020IGL: Indraprastha Gas Limited, AGTL: Adani Total Gas Limited, MGL: Mahanagar Gas Limited, IOCL: Indian Oil Corporation Limited and MNGL: Maharashtra Natural Gas LimitedSource file: Investor presentations and annual reports of respective companies