Higher Costs, GST Related Impacts Lead to Decline in Margins: Revenues grew by 21% on YoY basis for Q3FY19 (on account of volume growth) but higher raw material costs (partially due to the Rupee depreciating to an alltime low at peak INR traded at Rs. 73.8 vs USD) led to lowest quarterly EBITDA margins (13.2%) in the last 3 fiscals.