Revision of the Index of Industrial Production (IIP) Base Year
The Ministry of Statistics and Programme Implementation (Mospi) has revised the IIP base year to 2022-23, marking a significant update to align it with other key macroeconomic indicators such as GDP, CPI, and WPI. This is part of a broader effort to reflect the evolving industrial landscape of India more accurately.
Key Updates and Achievements
- The IIP shows a growth of 4.9% in April 2026 compared to the same month the previous year.
- The base year revision aligns the IIP with other economic indicators, enhancing coherence and accuracy in economic analysis.
Significance of the Revision
The update is not merely statistical but represents a structural overhaul, aiming to reflect India's dynamic industrial sector more accurately.
- Technological advances and shifts in global supply chains necessitated the update.
- The previous base year of 2011-12 was outdated, underrepresenting emerging sectors while overemphasizing declining ones.
- Inclusion of new sectors such as rare-earth minerals, renewable energy, and advanced manufacturing to better capture industrial trends.
Enhanced Granularity and Sectoral Updates
The revised index now includes a more comprehensive item basket drawing from the ASI data from 2021-22 and 2022-23.
- The basket now includes 463 item groups, reflecting a diverse range of modern industrial products.
- New inclusions: rare-earth minerals, renewables, gas distribution, water supply, and advanced electronics.
- Exclusions: outdated products such as kerosene and fluorescent tubes.
Future Implications
This revision is a critical step towards a modern measurement of industrial performance, aligning with India's infrastructure and clean energy goals. Future revisions are anticipated to be timely to maintain the accuracy of economic assessments.
Author: Former Director General, Mospi and President of Center of Data for Economic Decision-making, PIF
