New base years for GDP, CPI and IIP: release dates fixed
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Asked by UPSCPrelims 20201 PYQ
UPSC has already asked about this. Read the story with these questions in mind.
What happened
- MoSPI held its second pre-release workshop on the base revision of GDP, CPI and IIP on 23 December 2025 [PIB].
- New CPI (base 2024) is due on 12 February 2026; national accounts (base 2022-23) on 27 February 2026; IIP (base 2022-23) on 28 May 2026 [PIB].
Background
- The current GDP and IIP series use 2011-12 as base; CPI uses 2012. Old baskets miss new goods and services.
Why it matters
- Base revisions can change growth and inflation numbers. Expect questions on why statisticians update weights.
How to use this in Mains
- As per PIB (2025-12-23): moSPI held its second pre-release workshop on the base revision of GDP, CPI and IIP on 23 December 2025.
- Base revisions can change growth and inflation numbers. Expect questions on why statisticians update weights.
Quotable data pointNew CPI (base 2024) is due on 12 February 2026; national accounts (base 2022-23) on 27 February 2026; IIP (base 2022-23) on 28 May 2026.
PIB: MoSPI: Workshop on base revision, 23 Dec 2025
Exam angle
UPSC
Prelims: base years.
Practice MCQs
Original practice questions (not PYQs).
Practice · UPSC
New CPI base year
Answer (c) & explanation
PIB.
Practice · UPSC
Release date of new national accounts series
Answer (b) & explanation
PIB.
Practice · UPSC
New IIP base year
Answer (b) & explanation
PIB.
Go deeper
ExplainerEconomic Survey of India: Meaning, History, Who Prepares It, How It Differs from the Budget, Big Ideas from Past Surveys and How to Use It for UPSC (UPSC Notes + PYQs)ExplainerInflation for UPSC: Meaning, Types, CPI vs WPI, Causes, Effects and How India Controls It (Notes + PYQs)
Official source: PIB: MoSPI: Workshop on base revision, 23 Dec 2025
facts from cited sources only; faculty review pending