(b) Makum is an industrial town in Tinsukia district of Assam. It is famous for its coal reserves. Dalli-Rajhara is in the Balod district of Chhattisgarh, India. It is famous for iron ore mines. Koraput is a district of Odisha and is engaged in the process of extraction of Alumina from Bauxite. NALCO is situated here. Chitradurg is a district of Karnataka. It is popular for various minerals like manganese, quartz,dolomite, felspar etc.