Reliance Industries Limited (RIL), the largest domestic company, on the back of increased volumes and price rise posted a 81.7% growth in Q1FY11 Net Sales to Rs 58228.0 crore. Meanwhile, due to lower profitability of Petrochemical and Exploration & Production business, EBITDA margins for the current quarter shrunk by 250 bps (YoY) to 16.0%. Despite higher operating profits, incremental depreciation costs resulted in a decline in Net Profit margins by 300 bps yoy to 8.3%. The net profits were up 33.4% to Rs 4851 cr from Rs 3636 cr.