MoSPI has revised past GDP growth data after changing the base year to 2022-23 and adopting double deflation using the Producer Price Index (PPI). This methodological shift has led to significant revisions in quarterly and annual GDP estimates, impacting how real growth is measured, especially when input and output prices move differently. For students, understanding these changes is crucial for both static GK (GDP calculation) and current affairs (base year revisions).
Exam Lens
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1-Minute Revision
- ›Old Base Year: 2011-12
- ›New Base Year: 2022-23
- ›Target this Data: New GDP base year is 2022-23 (replacing 2011-12); PPI introduced for double deflation on February 27, 2026.
- ›Target this Nodal Body: Ministry of Statistics and Programme Implementation (MoSPI) is responsible for GDP revisions.
- ›Target this Legal Point: Not a legal provision, but remember the change in methodology from single deflation (using CPI/WPI) to double deflation (using PPI).
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