Tata steel consolidated net sales rose 7% to Rs 36132.3 crore in Q4FY18 compared to Q4FY17. The company operating margins fell 280 bps to 18%. %. As a result operating profits decreased 7% to Rs 6498.91 crore. Cost of material consumed as a percentage of net sales (net of stock adjustment) decreased 10 bps to 29.1%. Purchase of stock in trade was down 20 bps to 8%,...