**Executive Summary**
The Ministry of Statistics and Programme Implementation (MoSPI) is undertaking a comprehensive revision of the base year for Gross Domestic Product (GDP), Index of Industrial Production (IIP), and Consumer Price Index (CPI) to enhance their relevance, accuracy, and international comparability. The proposed new base year for GDP and IIP is 2022-23, and for CPI it is 2024. The release of the new series of GDP, CPI, and IIP is scheduled for February 27, 2026, February 12, 2026, and May 2026, respectively.
**Key Points / Main Content**
* **Base Year Revision:**
* Comprehensive exercise to revise the base year for GDP, IIP, and CPI.
* New base year for GDP and IIP: 2022-23.
* New base year for CPI: 2024.
* Revision is guided by Technical Advisory Committees/Expert Groups.
* Revision includes methodological improvement, new data sources, and weight updation.
* **Survey Improvements:**
* Steps to improve survey results: Increase in sample size, modification of sampling design, survey instruments, survey periodicity.
* Data from Periodic Labour Force Survey (PLFS), Household Consumption expenditure Survey (HCES), and Annual Survey of Unincorporated Sector Enterprises (ASUSE) have been used.
* **Release Dates:**
* New GDP series release: February 27, 2026.
* New CPI series release: February 12, 2026.
* New IIP series release: May 2026.
* All releases are available on the MoSPI website.
* **Stakeholder Engagement:**
* Consultative Workshops/Meetings organized for feedback from stakeholders.
* Feedback incorporated in consultation with Technical Advisory Committees/Expert Groups.
* **Accuracy and Transparency Measures:**
* Utilizing digital platforms with in-built validation for data collection.
* Advance Release Calendar (ARC) of statistical products placed on the website (www.mospi.gov.in).
* e-Sankhyiki portal launched for data dissemination and management. Unit level data is available on the MoSPI website for researchers and policymakers.
* Regular dialogues conducted with data users/stakeholders.
* National Meta Data Structure (NMDS) circulated among Ministries/Departments.
**Impact Analysis**
**Academia, Central and State Governments, RBI**
* **Impact:** Involved in the Technical Advisory Committee / Expert Groups guiding the revision process.
* **Action Required:** Provide expertise and guidance to ensure the accuracy and relevance of the revised indices.
**Data Users / Stakeholders**
* **Impact:** Benefit from enhanced relevance, accuracy, international comparability, and transparency of statistical data.
* **Action Required:** Provide feedback and suggestions during consultative workshops/meetings.
**Researchers, Policymakers**
* **Impact:** Access to unit level data of the surveys on MoSPI's website, aiding in their research and policy-making activities.
* **Action Required:** Utilize the available data and provide feedback to enhance the quality of statistical releases.
Key Entities Referenced
Ministry of Statistics and Programme Implementation (MoSPI): The primary body responsible for deciding on revisions to the base year of key economic indicators.
Gross Domestic Product (GDP): A key economic indicator, the base year revision of which is under consideration.
Index of Industrial Production (IIP): A key economic indicator, the base year revision of which is under consideration.
Consumer Price Index (CPI): A key economic indicator, the base year revision of which is under consideration.
Technical Advisory Committee / Expert Groups: Group guiding the base year revision of GDP, CPI, and IIP.
Ministry of Statistics & Programme Implementation
Release of the new series of GDP, CPI and IIP is
scheduled for 27th February 2026, 12th February
2026 and May 2026
Ministry of Statistics and Programme Implementation decides
a comprehensive exercise for revision of the base year of
Gross Domestic Product (GDP), Index of Industrial
Production (IIP) and Consumer Price Index (CPI) to enhance
their relevance, accuracy and international comparability
Posted On: 11 FEB 2026 1:30PM by PIB Delhi
Ministry of Statistics and Programme Implementation (MoSPI) has decided a comprehensive exercise for
revision of the base year of Gross Domestic Product (GDP), Index of Industrial Production (IIP) and
Consumer Price Index (CPI) to enhance their relevance, accuracy and international comparability. The
proposed new base year for the GDP and IIP is 2022-23, and for CPI the proposed base year is 2024. Base
year revision of GDP, CPI & IIP is guided by the respective Technical Advisory Committee / Expert
Groups comprising of experts from Academia, Central and State Governments, RBI etc. The revision
work includes methodological improvement, incorporation of new data sources including latest survey
data, weight updation etc. In order to improve the survey results, MoSPI has undertaken various steps like
increase in sample size; modification of sampling design, survey instruments, survey periodicity etc.
Periodic Labour Force Survey (PLFS), Household Consumption expenditure Survey (HCES) and Annual
Survey of Unincorporated Sector Enterprises (ASUSE) results have been used for the Base year revision
exercise.
The release of the new series of GDP, CPI and IIP is scheduled for 27th February 2026, 12th February 2026
and May 2026, respectively. Survey results are released from time to time. All releases are made available
on the MoSPI website.
In addition to Technical Advisory Committee / Expert Group comprising of experts from Academia,
Central and State Governments, RBI etc., MoSPI organized Consultative Workshops/Meetings on the
Base Year Revision of GDP, IIP & CPI and surveys to solicit feedback and suggestions from the
stakeholders and to ensure transparency, comparability and public confidence in official statistics. The
feedback received from the users are incorporated in consultation with Technical Advisory Committee /
Expert Groups.
(e): The MoSPI, has taken several steps for accuracy and transparency of statistical data which inter alia,
include:(i) Utilizing digital platforms, with in-built validation mechanism, in sample surveys conducted by MoSPI
for data collection. This technological advancement has facilitated simultaneous processing of data and
also resulted in a drastic reduction in time lag of release of reports.
(ii) Placed Advance Release Calendar (ARC) of its statistical products on the ministry’s website
(www.mospi.gov.in).
(iii) In order to facilitate ease of Data Dissemination and Management, e-Sankhyiki portal has been
launched. Unit level data of the surveys are also made available on MoSPI's website (www.mospi.gov.in)
for access by various researchers, policymakers, etc.
(iv) Regular dialogues with data users/stakeholders are also conducted in order to incorporate their
feedback and enhance their understanding about the data being published by MoSPI.
(v) Circulated a National Meta Data Structure (NMDS) among Ministries / Departments. The NDMS has
been designed, inter alia, to provide clarity on the data sources, collection methods and enhance
discoverability of datasets.
This information was given by the Minister of State (Independent Charge) of the Ministry of Statistics and
Programme Implementation; Minister of State (Independent Charge) of the Ministry of Planning and
Minister of State in the Ministry of Culture Rao Inderjit Singh in a written reply to a question in the Lok
Sabha today.
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