Hindalco Industries, is likely to complete its ongoing expansion of the smelting capacity of its smelter in Renukoot in Uttar Pradesh by September 2004. India's largest aluminium producer is expanding its smelter capacity to 342,000 tons a year from the current 242,000 tons. It will complete commissioning all three potlines by this time, according to a senior official. The expansion entails setting up three lines of electrolytic pots, which are used to smelt alumina to produce aluminium metal. Each potline, which contains 180 pots, produces about 33,000 tons of aluminium. The Aditya Biral Group company has already set up one line, plans to add another by end-2002, and the third one by September 2004, the official said. The expanded plant will take about two months more to stabilise at the optimum capacity he added.