Which State Is The Largest Producer Of Petroleum Oil In India?

Rajasthan is the largest producer of petroleum oil in India, accounting for around 20-25% of the country's domestic crude oil production. The state's Barmer-Sanchor Basin is home to large oil fields such as Mangala, Bhagyam, and Aishwariya, with the crude oil being sent to refineries in Gujarat through a 700-kilometer-long heated pipeline.
India's crude oil production is mainly found in Rajasthan, Gujarat, Assam, and offshore areas. Rajasthan is the largest producer, with the Barmer-Sanchor Basin producing around 4.8-5.1 million metric tonnes annually. The oil is extracted using modern technology and sent to refineries in Gujarat. India still imports over 85% of its crude oil needs, despite Rajasthan's high production. The country's total crude oil production rose by 3.3% in the first half of FY26, with India being the world's third-largest oil consumer.
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