Eight Core Industries - List and Weightage order

The Central Statistics Office (CSO) of the Government of India brings out monthly Index of Industrial Production (IIP). The Index of Eight core industries having a combined weight of 37.91 per cent in the Index of Industrial Production (IIP). Electricity generation is given more weightage in the Eight core industries list.

1. Electricity Generation. (weight: 10.32%)
2. Steel production (weight: 6.68%)
3. Petroleum Refinery production (weight: 5.94%)
4. Crude Oil production (weight: 5.22 %)
5. Coal production (weight: 4.38 %)
6. Cement production (weight: 2.41%)
7. Natural Gas production (weight: 1.71 %)
8.  Fertilizer production (weight: 1.25%)


Source : http://www.eaindustry.nic.in/eight_core_infra/eight_infra.pdf