The expansion in eight infrastructure sectors, which contribute about 38 per cent to the overall industrial production, was 5.9 per cent in the same month last year.
The August output, however, was higher than the previous month when the core sectors had expanded by just 1.1 per cent.
According to the data released by the Commerce and Industry Ministry today, the steel output in the month under review declined to 5.9 per cent as against a positive growth of 9.4 per cent in August 2014.
However crude oil, natural gas, refinery products and fertilisers recorded healthy growth.
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In March and April this year, the eight industries witnessed contraction of 0.1 per cent and 0.4 per cent respectively. However, in May and June the core sectors expanded by 4.4 per cent and 3 per cent respectively.
During the April-August period of the current fiscal, the core sectors' output expanded by 2.2 per cent as against 5.6 per cent in the first five months of 2014-15.