Operating margin (OPM) increased 561 bps to 21.39%, as a result, the operating profit (OP) went up by 59% to Rs 2331.47 crore. Other income up 31% to Rs 146.02 crore. Interest cost rose 67% to Rs 434.26 crore. Depreciation cost jumped 9% to Rs 547.49 crore. Thus, PBT went...