EconomyWednesday, 10 June 2026·The Hindu - Economy
WPI to be replaced by Producer Price Index from June 15, 2026; new base year 2022-23
The government will release a revised WPI series and a new Producer Price Index from June 15, 2026, with a five-year transition plan.
Key highlights
Direct fact
On June 15, 2026, the Department for Promotion of Industry and Internal Trade (DPIIT) will release a revised Wholesale Price Index (WPI) series with base year 2022-23 and a new Producer Price Index (PPI) series, marking the start of a five-year transition away from the 2011-12 WPI base.
Key specifics
- The revised WPI series will use base year 2022-23 instead of 2011-12.
- The new PPI will have 3 indices: Output PPI, Trial Input PPI and Services PPI.
- Services PPI will initially cover 7 services, including Banking, Securities Transaction, Insurance and Telecom.
- The number of items in the new WPI basket has increased from 697 to 957.
- WPI, Output PPI and Service PPI are compiled on a basic price basis, while Input PPI uses purchaser’s price.
Exam lens
Economy and indices MCQ focus: WPI base year, PPI components, services covered, item count. TNPSC may ask which index is being phased out over 5 years and which ministry body releases the new series on June 15, 2026.