The summary of the Index of Eight Core Industries (base: 2004-05) is given at the Annexure.

The Eight Core Industries have a combined weight of 37.90% in the Index of Industrial Production (IIP). The combined Index of Eight Core Industries stands at 168.7 in May, 2014, which was 2.3% higher compared to the index of May, 2013. Its cumulative growth during April to May, 2014-15 was 3.3 %.

Coal

Coal production (weight: 4.38%) increased by5.5% inMay, 2014over May, 2013. Its cumulative index during April to May, 2014-15 increased by 4.4% over corresponding period of previous year.

Crude Oil

Crude Oil production (weight: 5.22%) declined by 0.3% in May, 2014 over May, 2013. The cumulative index of Crude Oil during April to May, 2014-15 declined by 0.2% over the corresponding period of previous year.

Natural Gas

The Natural Gas production (weight: 1.71%) declined by 2.2% in May, 2014 over May, 2013. Its cumulative index during April to May, 2014-15 declined by 5.0% over the corresponding period of previous year.

Petroleum Refinery Products (0.93% of Crude Throughput)

Petroleum refinery production (weight: 5.94%) declined by 2.3% in May, 2014 over May, 2013. Its cumulative index during April to May, 2014-15 declined by 2.2% over the corresponding period of previous year.

Fertilizers

Fertilizer production (weight: 1.25%) increased by17.6% in May, 2014 over May, 2013. It registered a cumulative growth of 14.5% during April to May, 2014-15 over the corresponding period of previous year.

Steel (Alloy + Non-Alloy)

Steel production (weight: 6.68%) declined 2.0% in May, 2014 over May, 2013.While, its cumulative index during April to May, 2014-15 increased by 0.3% over the corresponding period of previous year.

Cement

Cement production (weight: 2.41%) increased by 8.7 % in May, 2014 over May, 2013. Its cumulative growth during April to May, 2014-15 was 7.7% over the corresponding period of previous year.

Electricity

Electricity generation (weight: 10.32%) increased by 6.3% in May, 2014 over the period of May, 2013 and it registered a cumulative growth of 8.7% during April to May, 2014-15 over the corresponding period of previous year.

Note: Data are provisional. Revision has been made based on revised data obtained for corresponding month of previous year in respect of Coal, Crude Oil, Natural Gas, Refinery Products, Steel and Cement.

Click here to see annexure:

Index of Eight Core Industries shows sectoral output changes and cumulative growth for May and April-May period. The Index of Eight Core Industries (weight 37.90% in IIP) reports May 2014 performance versus May 2013 and cumulative April-May 2014-15 growth versus the prior year period. It lists sectoral weights and percentage changes for Coal, Crude Oil, Natural Gas, Refinery Products, Fertilizers, Steel, Cement, and Electricity, and states that data are provisional with revisions made using revised prior year monthly data for several sectors.