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 191.8 in January, 2017, which was 3.4 % higher compared to the index of January, 2016. Its cumulative growth during April to January, 2016-17 was 4.8 %.

Coal: Coal production (weight: 4.38 %) increased by 4.8 % in January, 2017 over January, 2016. Its cumulative index during April to January, 2016-17 increased by 2.3 % over corresponding period of previous year.

Crude Oil: Crude Oil production (weight: 5.22 %) increased by 1.3 % in January, 2017 over January, 2016. Its cumulative index during April to January, 2016-17 declined by 2.8 % over the corresponding period of previous year.

Natural Gas: The Natural Gas production (weight: 1.71 %) increased by 11.9 % in January, 2017 over January, 2016. Its cumulative index during April to January, 2016-17 declined by 1.9 % over the corresponding period of previous year.

Refinery Products (93% of Crude Throughput):  Petroleum Refinery production (weight: 5.94%) declined by 1.5 % in January, 2017 over January, 2016. Its cumulative index during April to January, 2016-17 increased by 6.8 % over the corresponding period of previous year.

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