The Index of Industrial Production (IIP) for April too has been revised downwards to 3.36 per cent from the earlier estimate of 4.1 per cent.
The growth in the first two months of the fiscal was 3 per cent as against 4.6 in April-May of 2014-15.
According to the data released this evening, a sharp deceleration in output was witnessed in the manufacturing sector though there was some pick-up in mining activity. Growth in power generation too saw a marginal slowdown at 6 per cent from 6.7 per cent in May of the last fiscal.
Manufacturing constitutes over 75 per cent of the index.
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The numbers further showed a slowdown in user-based industries, including capital goods and consumer durables.
Output in the consumer goods, consumer durables and consumer non-durables segments shrank 1.6 per cent, 3.9 and 0.1 per cent, respectively.
The growth in capital goods group was meagre 1.8 per cent in the month under review as against 4.2 per cent year-on-year.