The eight core industries comprise nearly 38% of the weight of items included in the Index of Industrial Production (IIP).  The combined Index of Eight Core Industries stands at 165.1 in August, 2014, which was 5.8% higher compared to the index of August, 2013. Its cumulative growth during April to August, 2014-15 was 4.4%.

Coal production increased by 13.4% in August, 2014 over August, 2013. Its cumulative index during April to August, 2014-15 increased by 7.2% over corresponding period of previous year.

Crude Oil production declined by 4.9% in August, 2014 over August, 2013. The cumulative index of Crude Oil during April to August, 2014-15 declined by 1.2% over the corresponding period of previous year.

The Natural Gas production declined by 8.3% in August, 2014 over August, 2013. Its cumulative index during April to August, 2014-15 declined by 5.8% over the corresponding period of previous year.

Petroleum refinery production declined by 4.3% in August, 2014 over August, 2013. Its cumulative index during April to August, 2014-15 declined by 2.7% over the corresponding period of previous year.

Fertilizer production declined by 4.3% in August, 2014 over August, 2013. While, it registered a cumulative growth of 2.8% during April to August, 2014-15 over the corresponding period of previous year.

Steel production increased by 9.1% in August, 2014 over August, 2013. Its cumulative index during April to August, 2014-15 increased by 2% over the corresponding period of previous year.

Cement production increased by 10.3% in August, 2014 over August, 2013. Its cumulative growth during April to August, 2014-15 was 11.0% over the corresponding period of previous year.

Electricity generation increased by 12.6% in August, 2014 over the period of August, 2013 and it registered a cumulative growth of 11.3% during April to August, 2014-15 over the corresponding period of previous year.