TABLE-India's National Aluminium Q4 net slumps

June 3 (Reuters) - Three months ended March 31. 　　(Versus the same period a year earlier, in million rupees unless stated) 　　 Net profit 830.2 vs 4,466.6 　　Net sales 10,884.6 vs 11,652.3 　　 NOTE: National Aluminium Co Ltd (NALU.BO) is a state-run aluminium producer. 　　A Reuters poll of 14 brokerages had estimated net profit for January-March at 987 million rupees on net sales of 8.83 billion.