National Aluminium Company Ltd has commenced capacity expansion project at its alumina refinery in at Damanjodi in Koraput district of Orissa. Nalco is enhancing production capacity at the alumina refinery from 1.57 million tonnes to 2.1 million tonnes, which will be further upgraded to 2.27 million tonnes. Work has started at the power plant, the evaporation plant stacker and bauxite circuit and some other packages in the refinery are now under advanced stage of commissioning. The company also expected to increase the annual capacities of bauxite mine to 63 lakh tonnes, alumina refinery to 21 lakh tonnes and aluminium