DPIIT Releases New Series of WPI and PPI with Base Year 2022-23: MoC&I

Current Context: On 15 June 2026, the Department for Promotion of Industry & Internal Trade (DPIIT) under the Ministry of Commerce & Industry released a revised WPI series with base year 2022‑23 (replacing 2011‑12).

• The new Wholesale Price Index (WPI) now covers 957 items (up from 697) for better representation of the economy.
• For the first time, Producer Price Indices (PPI) were introduced — including Output PPI (OPPI), Trial Input PPI (IPPI) (manufacturing focus), and quarterly Services PPI (banking, insurance, telecom, etc.).
• The new indices are effective from May 2026 data release, with back series available from April 2023.
• This update aims to align India’s inflation measurement with global standards and improve accuracy in tracking producer‑level prices.

Question:

Q.1 What is the new base year of the revised Wholesale Price Index (WPI) series released in June 2026?
a) 2015-16
b) 2020-21
c) 2021-22
d) 2022-23

Answer: d) The revised WPI series adopts 2022-23 as the new base year, replacing the earlier base year of 2011-12.