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Index of Industrial Production (IIP)

The IIP is a composite indicator that measures short-term changes in the volume of production in the industrial sector of an economy. In India, it is compiled and released monthly by MoSPI, with a six-week lag from the reference month. The index uses the Laspeyres formula — a weighted average of output quantities relative to a base year — where weights are derived from Gross Value of Output (GVO) at the 5-digit NIC level and Gross Value Added (GVA) at higher aggregation levels using Annual Survey of Industries (ASI) data.

Key details

Compiled by: MoSPI (Ministry of Statistics and Programme Implementation)
Previous base year: 2004-05 (revised to 2011-12 in May 2017)
New base year: 2022-23 (effective June 1, 2026)
Release frequency: Monthly (six-week lag)
Three broad sectors: Mining and Quarrying, Manufacturing, Electricity (now extended to include Water Supply, Sewerage and Waste Management)
Eight Core Industries: Coal, Crude Oil, Natural Gas, Refinery Products, Fertilisers, Steel, Cement, Electricity — these have a combined weight of ~40% in IIP

In the news

● Tracked since February 20, 2026 · last seen September 11, 2026 · updates as the daily brief publishes

11 Sep '26

IMF Backs India's New IIP and PPI Series as Improving GDP Estimation Accuracy

29 Jun '26

IIP Growth Hits 5-Month High of 5.1% in May 2026, Led by Manufacturing and Electricity

29 Jun '26

IIP Rises to 5.1% in May 2026, Highest in Five Months

24 Jun '26

India's Index of Service Production: Measuring the Economy's Largest Sector for the First Time

24 Jun '26

Index of Services Production: India's First Monthly Services Output Indicator to Launch July 14

31 May '26

New IIP Series with 2022-23 Base Year Launched: Credit-Debit Cards In, Sewing Machines Out

28 May '26

India Revises IIP Base Year to 2022-23: New Series Launches June 2026

27 May '26

India's Index of Industrial Production Overhauled: New Base Year 2022-23 from June 2026

25 May '26

India's Index of Industrial Production Gets a Major Structural Overhaul

25 May '26

India to Modernise Industrial Output Measurement with Chain-Linked IIP Framework

24 May '26

India Signals No Industrial Degrowth; Prepares Sector-Specific Investment Plans to Boost Self-Reliance

22 May '26

Index of Eight Core Industries April 2026: Weak Growth Signals Economic Stress

20 May '26

India's Eight Core Sectors Grow 1.7% in April 2026; Steel and Cement Lead

27 Apr '26

MoSPI Proposes Index of Service Production to Track India's Formal Services Economy

20 Apr '26

India's Eight Core Industries Contract 0.4% in March 2026: Worst in 19 Months

31 Mar '26

India's IIP: February 2026 Surge to 5.2% and What the Divergence Signals

30 Mar '26

India's Industrial Output Grows 5.2% in February 2026, Led by Manufacturing and Capital Goods

20 Mar '26

Core Sector Growth Halves to 2.3% in February 2026 as Oil, Gas, Petroleum Output Contracts

20 Mar '26

Core Sector Growth Eases to Three-Month Low: What It Signals for the Broader Economy

02 Mar '26

India's Industrial Output Grows 4.8% in January 2026, Slowing from December High

02 Mar '26

Factory Output Grew 4.8% in January 2026: IIP Data and Sectoral Analysis

02 Mar '26

Industrial Output Growth Cools to 4.8% in January 2026

02 Mar '26

MoSPI Releases IIP Quick Estimate for January 2026: 4.8% Growth with Mixed Sectoral Performance

02 Mar '26

India's Industrial Output Grows 4.8% in January 2026, a Three-Month Low

20 Feb '26

India's Core Sector Growth Slows to 4% in January 2026

Related concepts

Index of Eight Core Industries (ICI)

GDP Base Year Revision

Polity & Governance

International Relations

Critical Minerals

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Production Linked Incentive (PLI) Scheme

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