Retail inflation fell sharply to 2.99 per cent in April from 3.90 per cent in March while inflation based on the wholesale price index slipped to a four-month low of 3.85 per cent.
However, industrial output growth slipped to 2.7 per cent in March, based on the new series with the revised base year of 2011-12.
A higher opening in domestic stocks and continuous foreign capital inflows kept the rupee on a firm ground, dealers said. But the dollar's strength against some currencies overseas halted the rupee's march.
Meanwhile, the benchmark Sensex surged 165.90 points, or 0.55 per cent, to 30,354.05 in early trade.
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