expanded by 26 bps y-o-y by virtue of optimization of overheads due to increased sales during the quarter. Net profit margins fell from 5.6% to 4.9% y-o o-y largely on account of price reduction of Rs 30 crs undertaken by SL Lumax, Lumax its associate company, for its major customer Hyundai (accounts for 98% revenue) venue). Soaring tax liability due...