India Revises GDP Base Year to 2022–23

The Ministry of Statistics and Programme Implementation (MoSPI) has revised the base year of India’s Gross Domestic Product (GDP) from 2011–12 to 2022–23. The updated GDP series was officially released on 27 February 2026. The revision reflects improvements in statistical methods, incorporation of new data sources and adoption of updated economic classifications. The move aims to better capture the current structure of the Indian economy and improve the accuracy of national income estimates used for policy decisions.

Improved GDP estimation framework

The revised GDP series introduces methodological and conceptual improvements aligned with international statistical recommendations. The updated estimates incorporate new administrative and survey data sources to better measure both corporate and unincorporated sectors. The compilation of GDP now uses the latest National Industrial Classification (NIC)-2025, which covers a broader range of economic activities including services and IT-enabled sectors. These improvements make the estimates more reliable and reflective of the modern economy.

New Index of Industrial Production series

Along with the GDP revision, the base year of the Index of Industrial Production (IIP) has also been updated to 2022–23. The new IIP series expands the coverage of industries and products and introduces revised weights based on the latest data. These changes aim to improve the measurement of industrial output and provide a more accurate representation of current industrial activity in the country.

Modernisation of price indices

As part of the base revision exercise, the Consumer Price Index (CPI) 2024 series has introduced Computer Assisted Personal Interviewing (CAPI) for price data collection. Under this system, enumerators collect price data electronically using handheld devices with built-in validation checks and real-time monitoring features. The Wholesale Price Index (WPI) system has also been modernised through a secure online data transmission mechanism, enabling real-time submission and scrutiny of price data to improve the reliability of inflation statistics.

Important Facts for Exams

• The base year of India’s GDP has been revised from 2011–12 to 2022–23 by the Ministry of Statistics and Programme Implementation.
• The Index of Industrial Production (IIP) base year has also been updated to 2022–23.
• The Consumer Price Index 2024 series introduces Computer Assisted Personal Interviewing for digital price data collection.
• The National Industrial Classification (NIC)-2025 is used in compiling the revised GDP series.

Use of high-frequency indicators and nowcasting

The government has also strengthened economic monitoring through the use of high-frequency indicators and nowcasting techniques. Indicators such as electricity consumption, GST collections, railway freight, bank credit growth, port cargo traffic, and manufacturing and services PMI are used to assess economic trends in near real time. The Economic Survey 2025–26 presents a framework combining these indicators to estimate GDP growth before official quarterly data are released. In addition, the Monthly Economic Review published by the Department of Economic Affairs regularly evaluates macroeconomic trends using these indicators to support evidence-based policymaking.