Index of Core Industries (ICI)

Index of Core Industries (ICI) for UPSC
  • Index of Core Industries (ICI) is a production volume index which is released on monthly basis.
  • The index measures combined and individual performance of production in selected eight core industries.
  • The Office of Economic Adviser, Department for Promotion of Industry and Internal Trade (DPIIT) under Ministry of Commerce & Industry is mandated with releasing the Index.
  • The base year of the ICI has been revised to 2011-12 from 2004-05.

What are the Eight Core Industries of the Index?

ln the order of weightage from highest to lowest, the Eight Core Industries are:

  1. Petroleum Refinery,
  2. Electricity generation,
  3. Steel production,
  4. Coal,
  5. Crude Oil,
  6. Natural Gas,
  7. Cement production, and
  8. Fertilizers.

Significance of the Index of Core Industries (ICI)

  • These industries account for more than 40% of the weight of items included in the Index of Industrial Production (IIP).
  • It is an important lead indicator for overall industrial performance and general economic activities in the economy.
  • Since these eight industries are essential, basic and/or intermediate ingredient in functioning of broader economy, mapping their health provides a fundamental understanding of state of the economy.

Latest News

  • 03 september 2022: India’s eight core sectors’ output growth dropped to a six-month low of 4.5% in July from 13.2% in June, with crude oil and natural gas output declining from a year ago and growth in sectors like cement and electricity dropping to around 2%.


  1. The Hindu
  2. SME Times

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