Index of Eight Core Industries

Index of Eight Core Industries (Base year: 2011-12):

  • It is released by Ministry of Commerce and Industry.
  • It is a monthly production index, which is also considered as a lead indicator of the monthly industrial performance.
  • The Eight Core Industries comprise 40.27 per cent of the weight of items included in the Index of Industrial Production (IIP).
  • Refinery products (28.04%)
  • Electricity (19.85%)
  • Steel (17.92%)
  • Coal (10.33%)
  • Crude oil (8.98%)
  • Natural gas (6.88%)
  • Cement (5.37%)
  • Fertilisers (2.63%)

The Index of Industrial Production (IIP):

  • It details out the growth of various sectors in an economy such as mineral mining, electricity and manufacturing.
Sector Number of items Weight (%)
Mining 1 14.373
Manufacturing 405 77.633
Electricity 1 7.994
Total 407 100
  • It is an all India composite indicator that measures the short-term changes in the volume of production of a basket of industrial products during a given period with respect to that in a chosen base period.
  • It is compiled and published monthly by the central statistical organisation (CSO), Ministry of Statistics and Programme Implementation.
  • Following are the three sectors of the IIP as per the revision based on 2011-12 series.

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