In which State is Noonmati oil refinery located ?

The correct answer is Assam. ​ Key Points Noonmati is located in Guwahati, Assam. It was commissioned by the Indian Oil Company on 1 January 1962 . ​ Additional Information ​ Digboi is known as the Oil City of Assam where the first oil well in Asia was drilled. The Assam Oil Company was established in 1899 to oversee production. In 1901 , Digboi Refinery was commissioned supplanting the earlier refinery at Margharita . The Indian Oil Corporation Ltd (IOC) took over the refinery and marketing management of Assam Oil Company Ltd. with effect from 1981 and created a separate division. This division has both refinery and marketing operations. The refinery at Digboi had an installed capacity of 0.50 million tonnes per year . Assam has 4 refinerie s- Noonmati Refinery, N amuligarh Refinery, Bongaigaon Refinery, and Digboi Refinery.