ICICI Securities Ltd | Retail Equity Research Ambuja reported a good set of Q4CY17 numbers. Revenues increased 21.9% YoY (up 16.9% QoQ) to | 2,712.6 crore (above Idirect estimate of | 2,564.9 crore) led by 17.4% YoY increase in volumes to 5.9 MT (vs. I-direct estimate of 5.5 MT) and 3.8% YoY increase in realisation to | 4,620 (vs. I-direct estimate of | 4,639) EBITDA margin increased 488 bps YoY to 19.9% (vs I-direct estimate of 15.1%). EBITDA per tonne increased 37.5% YoY to | 921/tonne (vs. I-direct estimate of | 700/tonne) mainly led by lower RM cost per...