The Ministry of Statistics and Programme Implementation (MoSPI) said on Monday that it will roll out a new series of macroeconomic data in 2026, incorporating revised base years for retail inflation, national
accounts and industrial production.
As part of the process, MoSPI will convene a Pre-release Consultative Workshop on the Base Revision of Gross Domestic Product (GDP), Consumer Price Index (CPI) and Index of Industrial Production (IIP) on December 23, 2025, at Bharat Mandapam in New Delhi.
The workshop is aimed at sharing the proposed methodological and structural changes involved in revising the base years of the three key macroeconomic indicators and seeking feedback from stakeholders before the release of the updated data series. Base revision is a routine statistical exercise undertaken periodically to reflect structural changes in the economy, consumption patterns, and industrial composition.
According to MoSPI, the new CPI series with base year 2024=100 is scheduled to be released on February 12, 2026. This will be followed by the release of the new national accounts series with FY 2022-23 as the base year on February 27, 2026, and the new IIP series with base year 2022-23 on May 28, 2026.
The December 23 workshop will bring together economists, subject-matter experts, representatives from financial institutions and banks, users of official statistics, and senior officials from the Centre and states. MoSPI said the broad-based participation is intended to enrich discussions and familiarise users with the changes proposed in the revised series.
The inaugural session will be attended by **NITI Aayog Vice Chairman Suman K. Bery as chief guest, along with Chief Economic Adviser V. Anantha Nageswaran, Secretary, MoSPI, Saurabh Garg, and Director General (Central Statistics), MoSPI, N. K. Santoshi.
The inaugural session will be followed by technical sessions on GDP, CPI and IIP, along with open-house discussions. MoSPI will also share a booklet containing concept notes outlining the proposed changes in the base revision of the three indicators.
The ministry said the consultative exercise is intended to strengthen transparency, encourage informed dialogue and ensure wide stakeholder engagement before the release of the revised macroeconomic series. The first pre-release consultative workshop on the base revision was held in Mumbai on November 26.
