The fall in bottom line was primarily due to a Rs 1,641.38 crore impairment of capital work in progress. The company registered drop in margins during the quarter. Operating profit margin on a consolidated basis for the quarter endedMar 18 fell 210 bps to 11.9% (vis a vis 14%).The drop inmargin was due to rise in other and raw material expenses (net of sales, stock adjusted). Raw material cost increased by 130 bps to 56.5%. Other expenses rose 210 bps to 21.9%. Employee cost was steady at 9.35%. Purchase of products for...