The eight core industries that comprise nearly 38% of the weight of items included in the Index of Industrial Production (IIP), grew marginally in the month of December 2015. 

The combined index of eight core industries stands at 175.7 in December 2015, which was 0.9% higher compared to the index of December, 2014. Its cumulative growth during April to December, 2015-16 was 1.9%.

Coal production increased by 6.1% in December, 2015 over December 2014. Its cumulative index during April to December, 2015-16 increased by 4.6% over corresponding period of previous year.

Crude Oil production decreased by 4.1% in December, 2015 over December, 2014. Its cumulative index during April to December, 2015-16 decreased by 0.8% over the corresponding period of previous year.

The Natural Gas production declined by 6.1% in December, 2015. Its cumulative index during April to December, 2015-16 declined by 2.7% over the corresponding period of previous year.

Petroleum Refinery production increased by 2.1% in December, 2015. Its cumulative index during April to December, 2015-16 increased by 2.4% over the corresponding period of previous year.

Fertilizer production increased by 13.1% in December, 2015. Its cumulative index during April to December, 2015-16 increased by 10.1% over the corresponding period of previous year.

Steel production declined by 4.4% in December, 2015. Its cumulative index during April to December, 2015-16 declined by 1.9% over the corresponding period of previous year.

Cement production increased by 3.2% in December, 2015. Its cumulative index during April to December, 2015-16 increased by 2.2% over the corresponding period of previous year.

Electricity generation increased by 2.7% in December, 2015. Its cumulative index during April to December, 2015-16 increased by4.0% over the corresponding period of previous year.