The first oil-field in Independent India was discovered in ________.

The correct answer is Assam . Key Points The first oil field in independent India was discovered in Assam . While oil extraction had already begun in Assam during British rule, the first discovery made after India's independence in 1947 occurred in Nahorkatia , Assam , in 1953 . This discovery was followed by another in Moran , Assam , in 1956 . Both were made by the Assam Oil Company (AOC) . Additional Information Oil and gas were indeed discovered in Mumbai High, Maharashtra, in 1970s. Gujarat has become a major oil and gas producer for India, but significant discoveries began in the 1960s. Petroleum is present on Earth as a naturally occurring dark oil liquid beneath the surface. Petroleum is the source of both diesel and petrol .