Eight core industries, which comprise nearly 38% of the weight of items included in the Index of Industrial Production (IIP), stood at 178.6 in May, 2015, which was 4.4% higher compared to the index of May, 2014. Its cumulative growth during April to May, 2015-16 was 2.1%.

Coal production increased by 7.8 % in May, 2015 over May, 2014. Its cumulative index during April to May, 2015-16 increased by 7.9 % over corresponding period of previous year.

Crude Oil production increased by 0.8 % in May, 2015 over May, 2014. Its cumulative index during April to May, 2015-16 declined by 1.0 % over the corresponding period of previous year.

The Natural Gas production declined by 3.1 % in May, 2015. Its cumulative index during April to May, 2015-16 declined by 3.3 % over the corresponding period of previous year.

Petroleum Refinery production increased by 7.9 % in May, 2015. Its cumulative index during April to May, 2015-16 increased by 2.6 % over the corresponding period of previous year.

Fertilizer production increased by 1.3 % in May, 2015. Its cumulative index during April to May, 2015-16 increased by 0.7 % over the corresponding period of previous year.

Steel production increased by 2.6 % in May, 2015. Its cumulative index during April to May, 2015-16 increased by 1.7 % over the corresponding period of previous year.

Cement production increased by 2.6 % in May, 2015. Its cumulative index during April to May, 2015-16 decreased by 0.1 % over the corresponding period of previous year.

Electricity generation increased by 5.5 % in May, 2015. Its cumulative index during April to May, 2015-16 increased by 2.2 % over the corresponding period of previous year.