The Eight Core Industries comprise 40.27% of the weight of items included in the Index of Industrial Production (IIP).  The combined Index of Eight Core Industries stands at 126.4 in May, 2017, which was 3.6% higher compared to the index of May, 2016. Its cumulative growth during April to May, 2017-18 was 3.2%.

Coal production declined by 3.3% in May, 2017 over May, 2016. Its cumulative index declined by 3.3% during April to May, 2017-18 over corresponding period of the previous year.

Crude Oil production increased by 0.7% in May, 2017 over May, 2016. Its cumulative index increased by 0.1% during April to May, 2017-18 over the corresponding period of previous year.

The Natural Gas production increased by 4.5% in May, 2017 over May, 2016. Its cumulative index increased by 3.3% during April to May, 2017-18 over the corresponding period of previous year.

Petroleum Refinery production increased by 5.4% in May, 2017 over May, 2016. Its cumulative index increased by 2.8% during April to May, 2017-18 over the corresponding period of previous year.

Fertilizer production declined by 6.5% in May, 2017 over May, 2016. Its cumulative index declined by 0.8% during April to May, 2017-18 over the corresponding period of previous year.

Steel production increased by 3.7% in May, 2017 over May, 2016. Its cumulative index increased by 6.3% during April to May, 2017-18 over the corresponding period of previous year.

Cement production increased by 1.8% in May, 2017 over May, 2016. Its cumulative index declined by 0.3% during April to May, 2017-18 over the corresponding period of previous year.

Electricity generation increased by 6.4% in May, 2017 over May, 2016. Its cumulative index increased by 5.9% during April to May, 2017-18 over the corresponding period of previous year.