Assam, situated in the north-eastern region of India. Assam is a landfull of mineral resources.Assam is rich in mineral resources which are providing raw materials to industries. The important mineral resources of Assam are petroleum, coal, natural gas and lime stone. Coal fields are at Nazira, Makum, Margharita, Ledo, among others Crude oil is the most important mineral product of Assam oil deposits are in Naharkatiya, Moran, Lanka, Nazira, among others Oil refineries are established at Digboi, Noonmati and Bangaigaon and other at Numaligarh. The natural gas from the oil fields is another important resource of Assam. But only a small amount of natural gas in utilized in Assam and the rest is wasted lime stone which is used as raw materials for cement is found at Garampani and Koilajan among others.