The State which produces natural gas and mineral oil in India is _______.

The correct option is Assam. Key Points Assam oilfields The Digboi Oilfield: It extended over an area of about 15 sq km, the Digboi oilfield is one of the oldest oil fields in the country. Most of the oil is sent to the refinery of Digboi. Since 1959, the Digboi oilfields are worked by Oil India Limited (OIL). The Naharkatiya Oilfield: This oil field lies about 35 km to the southwest of Digboi. Oil production from the Naharkatiya oilfields was started in 1954. Crude oil from this region is supplied to the refineries of Noonamati, New Bongaigaon (Assam), and Barauni (Bihar). Additional Information Petroleum or mineral oil Petroleum or mineral oil is the next major energy source in India after coal. It provides fuel for heat and lighting, lubricants for machinery, and raw materials for several manufacturing industries. Most of the petroleum occurrences in India are associated with anticlines and fault traps in the rock formations of the tertiary age. Natural gas is an important clean energy resource found in association with or without petroleum. Natural gas is considered an environment-friendly fuel because of its low carbon dioxide emissions. Large reserves of natural gas have been discovered in the Krishna-Godavari basin. Along the west coast, the reserves of Mumbai High are supplemented by finds in the Gulf of Cambay.