Downstream Petroleum segment fell from 4.58% to 3.20%. PBIT margin of Exploration & Production of Hydroca segment fell from negative 613.16% to negative 1,026.75%. Overall PBIT margin fell from 4.46% to 2.90%. Provision for interest rose 91.32% to Rs 660.82 crore. PBDT fell 13.53% to Rs 5051.11 crore. Provision for depreciation rose 24.13% to Rs 1331.64 crore. Profit before tax down 22.01% to Rs 3,719.47 crore. Extraordinary items were increased to Rs -371.35 crore. Provision for tax was expense of Rs 993.84 crore, compared to Rs 1657.88 crore. Effective tax rate was 26.16%...