India to Replace WPI with PPI as GDP Deflator in National Accounts
| Aspect | Details |
|---|---|
| Ministry | Ministry of Statistics and Programme Implementation (MoSPI) |
| Reform | Replace Wholesale Price Index (WPI) with Output Producer Price Index (PPI) |
| PPI Released By | Department for Promotion of Industry and Internal Trade (DPIIT) in June 2026 |
| Double Deflation Method | Adjusts output values using Output PPI and input costs using relevant input indices |
| WPI Status Post-Reform | Will continue to be published but not used as principal GDP deflator |
| CPI Usage | Consumer Price Index (CPI) will continue for specific granular items |
| Recent MoSPI Initiative | Introduced Index of Services Production (ISP) trial version in July 2026 |
| Significance of Reform | Enhances international comparability, improves macroeconomic analysis and forecasting |

