Growth of core industries grew by 3 per cent in June as against 8.7 per cent in year-ago period, government showed on Friday.
The eight sectors contribute 38 per cent to the overall industrial production, a parameter that the Reserve Bank takes into account while framing its monetary policy.
Coal production increased by 6.3 per cent in June. Its cumulative index during April to June, 2015-16 increased by 7.3 per cent over corresponding period of previous year.
Petroleum Refinery production increased by 7.5 per cent. Its cumulative index during April to June, 2015-16 increased by 4.2 per cent over the corresponding period of previous year.
Crude oil production and and natural gas production declined by 0.7 per cent and 5.9 per cent respectively while that of fertilizer, steel and cement increased by 5.8 per cent, 4.9 per cent and 2.6 per cent in June.
