The document provides information about Oil and Natural Gas Corporation Limited (ONGC), India's largest oil and gas exploration and production company. It discusses ONGC's history beginning in 1955, assets and operations, vision, mission, subsidiaries, and board of directors. Key points include that ONGC produces over 80% of India's oil and gas, operates assets across several basins and regions in India, and has expanded operations globally through subsidiaries like ONGC Videsh Limited.