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 175.4 in March, 2014, which was 2.5 % higher compared to the index of March, 2013. Its cumulative growth during April-March, 2013-14 was 2.6 %.

Coal

Coal production (weight: 4.38 %) increased by 0.7 % in March, 2014 over March, 2013. Its cumulative index during April to March, 2013-14 increased by 0.8 % over corresponding period of previous year.

Crude Oil

Crude Oil production (weight: 5.22 %) declined by 1.6 % in March, 2014 over March, 2013. The cumulative index of Crude Oil during April to March, 2013-14 declined by 0.2 % over the corresponding period of previous year.

Natural Gas

The Natural Gas production (weight: 1.71 %) declined by 9.3 % in March, 2014 over March, 2013. Its cumulative index during April to March, 2013-14 declined by 13.0 % over the corresponding period of previous year.

Petroleum Refinery Products (0.93% of Crude Throughput)

Petroleum refinery production (weight: 5.94%) registered a growth of 2.8 % in March, 2014 over March, 2013 and its cumulative index during April to March, 2013-14 increased by 1.7 % over the corresponding period of previous year.

Fertilizers

Fertilizer production (weight: 1.25%) declined by 6.1 % in March, 2014 over March, 2013. However, it registered a cumulative growth of 1.5 % during April to March, 2013-14 over the corresponding period of previous year.

Steel (Alloy + Non-Alloy)

Steel production (weight: 6.68%) recorded a growth of 5.4 % in March, 2014 over March, 2013. The cumulative growth during April to March, 2013-14 was 4.3 % over the corresponding period of previous year.

Cement

Cement production (weight: 2.41%) remains same in March, 2014 as of March, 2013 while its cumulative growth during April to March, 2013-14 was 3.0 % over the corresponding period of previous year.

Electricity

Electricity generation (weight: 10.32%) increased by 5.4 % in March, 2014 over the period of March, 2013 and it registered a cumulative growth of 5.6 % during April to March, 2013-14 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.

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Index of Eight Core Industries shows year-on-year increase and mixed sectoral performance including declines in oil and gas. The Index of Eight Core Industries, with a combined 37.90% weight in the IIP, rose year on year in March 2014 and posted modest cumulative growth for April-March 2013-14. Sectoral outcomes were mixed: Electricity and Steel increased, Petroleum refinery products and Coal recorded modest gains, Fertilizers and Crude Oil declined in March (with fertilizers showing small cumulative growth while crude oil's cumulative index fell), Natural Gas declined substantially, and Cement was unchanged in March but up cumulatively. Data are provisional and revised where prior year figures were updated.