Steel Authority of India Ltd (SAIL) clocked its best ever quarterly sales at 4.27 million tonnes (MT) during the March quarter of the last fiscal year, up 14 per cent over the year-ago period. The domestic steel giant's crude steel production too increased by 6 per cent during the quarter to 4.55 MT. "(SAIL), the Maharatna PSU, has recorded its best ever quarterly performance in both production and sales during Q4 FY'21," the company said in a statement. The company had clocked 3.74 MT sales and 4.31 MT crude steel output during the January-March quarter of the fiscal 2019-20. About annual figures, the company said despite the volatility in the market during the year, the determined efforts by the company to improve its volumes saw it clock its best ever annual sales at 14.87 MT, a growth of 4.4 per cent over 14.23 MT during FY'20," the company said.