Index of Eight Core Industries (ICI)

Indian Economy

  • PYQs5
  • Articles1
I

Foundation

Static background & why it matters

The Index of Eight Core Industries (ICI) is a monthly production index that measures the combined and individual performance of eight strategically important infrastructure sectors in the Indian economy. It serves as a crucial barometer for industrial activity and overall economic health, compiled and released by the Office of the Economic Adviser (OEA), Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce & Industry.

UPSC frequently asks about key economic indicators, their components, calculation, and what they signify about the health of the economy. Understanding ICI is crucial for analyzing industrial performance and overall economic growth trends.

Index of Eight Core Industries (ICI)
A production index measuring the performance of eight key infrastructure sectors in India.
Index of Industrial Production (IIP)
A composite indicator that measures the growth rate of industrial sectors (Mining, Manufacturing, Electricity) in the Indian economy.
Base Year
A reference year for calculating index numbers, currently 2011-12 for both ICI and IIP.
Compiling Authority
Office of the Economic Adviser (OEA), DPIIT, Ministry of Commerce & Industry for ICI; National Statistical Office (NSO), MoSPI for IIP.
II

Static core

Acts, bodies, facts & tables

The eight core industries are Coal, Crude Oil, Natural Gas, Refinery Products, Fertilizers, Steel, Cement, and Electricity. These sectors are considered foundational due to their significant backward and forward linkages within the economy, impacting a wide range of other industries and overall economic growth.

ICI is often referred to as a 'lead indicator' for industrial activity because its components represent critical inputs for manufacturing, construction, and other service sectors. Its performance often foreshadows trends in the broader Index of Industrial Production (IIP) and overall GDP growth.

Base Year
2011-12 for ICI.
Compiling Authority
Office of the Economic Adviser (OEA), DPIIT.
Weight in IIP
Accounts for 40.27% of the weight of items in IIP.
Significance
Serves as a lead indicator for industrial activity and overall economic health.
Highest Weight in ICI
Refinery Products (28.04%).
Lowest Weight in ICI
Fertilizers (2.63%).
Eight Core Industries and their Weights (Base Year 2011-12)
Industry Weight in ICI (%)
Refinery Products 28.04
Electricity 19.85
Steel 17.92
Coal 10.33
Crude Oil 8.98
Natural Gas 6.88
Cement 5.37
Fertilizers 2.63
Comparison: Index of Eight Core Industries (ICI) vs. Index of Industrial Production (IIP)
Feature Index of Eight Core Industries (ICI) Index of Industrial Production (IIP)
Scope 8 key infrastructure sectors Broader industrial sectors (Mining, Manufacturing, Electricity)
Components Coal, Crude Oil, Natural Gas, Refinery Products, Fertilizers, Steel, Cement, Electricity Mining (14.37%), Manufacturing (77.63%), Electricity (7.99%)
Weight in IIP 40.27% 100%
Indicator Type Lead indicator for industrial activity Composite indicator for overall industrial growth
Compiling Authority OEA, DPIIT, Ministry of Commerce & Industry National Statistical Office (NSO), MoSPI
Base Year 2011-12 2011-12
Static syllabus anchors
Type Reference
Conceptual area Indian Economy
Institutions & roles
Body Role
Ministry of Commerce & Industry Compiles and releases
III

Exam lens

Prelims framing, traps & PYQs

For Prelims, questions on ICI frequently test knowledge of its components (which industries are included/excluded), their relative weights, the compiling agency, the base year, and its relationship with the Index of Industrial Production (IIP). Candidates should be able to identify the largest and smallest weighted sectors and understand the basic implications of ICI trends.

For Mains, understanding ICI is crucial for analyzing industrial performance, infrastructure development, and overall economic growth trends. Questions may require discussing the significance of ICI as a lead indicator, its role in policy formulation, how its performance reflects the health of the economy, especially in the context of infrastructure bottlenecks, industrial slowdowns, or recovery phases. Its linkage to broader economic indicators like GDP and employment is also important.

  • Measures output of 8 key infrastructure sectors.
  • Accounts for 40.27% of IIP.
  • Components: Coal, Crude Oil, Natural Gas, Refinery Products, Fertilizers, Steel, Cement, Electricity.
  • Indicates industrial health and economic growth momentum.
  • Recent data shows significant slowdown, signaling systemic domestic issues.
High-confidence PYQ links
Year Framing tags
2021 Multi-statement analysis, Conceptual understanding
2020 Factual recall, Terminology-based question
2020 Multi-statement analysis, Conceptual understanding
2015 Factual recall, Terminology-based question
2015 Factual recall, Institutional roles and functions
IV

Latest

Current affairs & evolution

Recent ICI data often serves as an early warning signal for the economy, indicating potential shifts in industrial momentum and overall growth prospects, with fluctuations prompting analysis of underlying economic health and policy responses.

Analyzing the monthly performance of ICI provides immediate insights into the current state of key infrastructure sectors. A consistent decline in ICI growth can signal a broader industrial slowdown, impacting employment, investment, and overall GDP growth, often prompting 'alarm bells' among economists and policymakers.

Timeline

  1. Indian Economy

    Conceptual area

  2. Prelims 2015

    Factual recall, Terminology-based question

  3. Prelims 2015

    Factual recall, Institutional roles and functions

  4. Prelims 2020

    Factual recall, Terminology-based question

  5. Prelims 2020

    Multi-statement analysis, Conceptual understanding

  6. Prelims 2021

    Multi-statement analysis, Conceptual understanding

  7. ​Alarm bells: on the Index of Eight Core Industries data

    The Index of Eight Core Industries (ICI) measures the combined performance of eight crucial infrastructure sectors: coal, crude oil, natural gas, refinery products, fertilizers, steel, cement, and electricity. It accounts for 40.27% of the weight of items included in the Index of Industrial Production (IIP) and serves as a lead indicator for industrial activity.

See also

Index of Eight Core Industries (ICI)
Index of Industrial Production (IIP)
Gross Domestic Product (GDP)
Industrial Growth

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Past papers

In the news

thehindu.com

​Alarm bells: on the Index of Eight Core Industries data

The Index of Eight Core Industries (ICI) measures the combined performance of eight crucial infrastructure sectors: coal, crude oil, natural gas, refinery products, fertilizers, steel, cement, and electricity. It accounts for 40.27% of the weight of items included in the Index of Industrial Production (IIP) and serves as a lead indicator for industrial activity.

Try these PYQs

UPSC Prelims 2015 hard Economy Open full page

In the Index of Eight Core Industries, which one of the following is given the highest weight?

UPSC Prelims 2020 easy Economy Open full page

Consider the following statements:

1. The weightage of food in Consumer Price Index (CPI) is higher than that in Wholesale Price Index (WPI).
2. The WPI does not capture changes in the prices of services, which CPI does.
3. Reserve Bank of India has now adopted WPI as its key measure of inflation and to decide on changing the key policy rates.

Which of the statements given above is/are correct?

UPSC Prelims 2015 medium Economy Open full page

Which of the following brings out the ‘Consumer Price Index Number for Industrial Workers’?

UPSC Prelims 2021 easy Economy Open full page

With reference to Indian economy, demand pull-inflation can be caused/increased by which of the following?
1. Expansionary policies
2. Fiscal stimulus
3. Inflation-indexing wages
4. Higher - purchasing power
5. Rising interest rates

Select the correct answer using the codes given below.

UPSC Prelims 2020 easy Economy Open full page

The term 'West Texas Intermediate', sometimes found in news, refers to a grade of