Simplex Infrastructure's (SIL) topline grew 4.8% YoY to | 1584.2 crore (our estimate: | 1668.6 crore) possibly on account of muted execution following stretched working capital in Q1FY19 EBITDA margins slipped slightly by 26 bps YoY to 11.2% but was broadly in line with our expectation of 11.0% PAT de-grew 1.6% YoY to | 28.3 crore (our estimate: | 32.9 crore) due to higher tax rate (30.1% in Q1FY19 vs. 21.1% in Q1FY18) Auditor raises attention on unbilled revenues worth | 447.5 crore...