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30 June 2026

Industrial output growth trends

The update to the Index of Industrial Production (IIP) base year and the methodological shift to the Producer Price Index (PPI) are significant technical changes to key economic indicators that are frequently examined in the context of industrial growth and economic policy.

1 min read Day 3 of 15 2 questions 1 prelims

Notes

  • Industrial output growth reached a 5-month high of 5.1% in May.
  • The Ministry of Statistics and Programme Implementation (MoSPI) updated the Index of Industrial Production (IIP) series with a new base year of 2022-23.
  • Methodological change: The government has discontinued the use of the Wholesale Price Index (WPI) for measuring value-based outputs in the IIP, adopting the Producer Price Index (PPI) instead.
  • Sectoral performance: Manufacturing grew by 5.5%, electricity and gas supply grew by 9.9% (a two-year high), while mining and quarrying contracted by 1.6%.
  • Consumption trends: Consumer durables grew by 7.2%, led by the auto sector and electronics; non-durables grew by 3.6%.
  • Economic impact: The shift to PPI-based measurement is expected to lead to revisions in GDP data and material changes in growth reporting across industrial segments.

Part of a longer story

This is day 3 of 15 in Upgrades to India's statistical databases, which has been running since 21 June 2026. Reading it whole is usually worth more than reading today alone — the exam asks how something developed.

Questions

  1. Discuss the significance of updating the base year and methodology for the Index of Industrial Production (IIP). How does the transition from Wholesale Price Index (WPI) to Producer Price Index (PPI) enhance the accuracy of industrial output measurement? 150 words
    Attempt this — 150 words in 8 min
    0 / 150 words 8:00
  2. Analyze the role of the Index of Industrial Production (IIP) as a barometer for the Indian economy. In light of recent methodological shifts in its calculation, evaluate the challenges in maintaining consistency and reliability in national income accounting. 250 words
    Attempt this — 250 words in 11 min
    0 / 250 words 11:00

Prelims

  1. With reference to the Index of Industrial Production (IIP) in India, consider the following statements: 1. The government has transitioned from using the Wholesale Price Index (WPI) to the Producer Price Index (PPI) for measuring certain value-based outputs. 2. The current IIP series is based on the 2022-23 base year. Which of the statements given above is/are correct?