Cairn Oil and Gas, a division of Vedanta Limited, is India's largest private sector oil and gas exploration and production company, based in Gurgaon. The company significantly contributes to India's energy sector, accounting for about 25% of the country's domestic crude oil production and managing interests in approximately 62 hydrocarbon blocks across the nation. Cairn aims to increase its share to 50% in the future.

The company focuses on the exploration, development, and production of oil and gas resources, with operations primarily in Rajasthan and the Krishna-Godavari basin. Cairn employs advanced exploration techniques and has a production guidance of around 110,000-120,000 barrels of oil equivalent per day for FY25. It produces crude oil and natural gas, supporting India's energy needs and reducing reliance on imports. Cairn also emphasizes sustainable growth through corporate social responsibility initiatives, partnering with NGOs to enhance community welfare and committing to environmental, social, and governance practices.