Its cumulative growth during April to July, 2014-15 was 4.1%.

Eight Core Industries have a combined weight of 37.90 % in the Index of Industrial Production (IIP).

Coal production increased by 6.2% in July, 2014 over July, 2013. Its cumulative index during April to July, 2014-15 increased by 5.7% over corresponding period of previous year while Crude Oil production declined by 1.0% in July, 2014 over July, 2013.

The cumulative index of Crude Oil during April to July, 2014-15 declined by 0.3% over the corresponding period of previous year.