Rourkela Steel Plant, unit of Steel Authority of India Limited, has registered best ever April-November performance in key production areas. During this period the steel plant made 1.64 million tonnes of hot metal, 1.51 million tonnes of crude steel and 1.46 million tonnes of saleable steel thereby registering growth of 5.2 per cent, 3.7 per cent and 6.5 per cent respectively over the corresponding period last year.