SF Prep Notes

New WPI series with base year 2022-23 released, along with Producer Price Indices

On 15 June 2026, the Office of the Economic Adviser, DPIIT, released the revised WPI series with base year 2022-23, replacing the 2011-12 series, along with new Producer Price Indices.

Summary

The Office of the Economic Adviser (OEA), DPIIT, released the revised Wholesale Price Index (WPI) series with base year 2022-23 on 15 June 2026, replacing the 2011-12 series. The number of items has increased from 697 to 957. Weights are now based on Gross Value of Output (GVO) instead of Net Traded Value (GVO + Imports – Exports), and missing prices are imputed by 'Targeted Mean Imputation' instead of 'Carry Forward'. The Office also released new series of Output PPI, Trial Input PPI and quarterly Service PPIs for seven services. Because WPI is widely used in price escalation clauses, it will be released for five years along with PPI and then discontinued. The shift from WPI to PPI follows global best practice and recommendations of the International Monetary Fund (IMF).

Key facts

Released by
Office of the Economic Adviser, DPIIT
New base year
2022-23 (replaces 2011-12)
Items
697 → 957
Weights
Gross Value of Output (GVO)
New indices
Output PPI, Trial Input PPI, Service PPI for 7 services
WPI future
Released for 5 years with PPI, then discontinued
Basis for shift
Global best practice and IMF recommendations

Practice MCQs 4 questions

Q1

What is the base year of the new Wholesale Price Index (WPI) series released on 15 June 2026?

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Correct answer: C — 2022-23

The revised WPI series has base year 2022-23 and replaces the 2011-12 series.

Q2 Advanced

How many items does the new WPI series (base 2022-23) cover?

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Correct answer: A — 957

The number of items has increased from 697 in the 2011-12 series to 957.

Q3 Advanced

Which office compiles and releases the Wholesale Price Index in India?

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Correct answer: B — Office of the Economic Adviser, DPIIT

The Office of the Economic Adviser, DPIIT, released the revised WPI series.

Q4 Advanced

Consider the following statements about the revised WPI and the new Producer Price Indices (June 2026): 1. Weights in the WPI 2022-23 series are based on Gross Value of Output instead of Net Traded Value. 2. WPI will be released along with PPI for five years and discontinued thereafter. 3. Service PPIs have been compiled for seven services and are released on a quarterly basis. Which of the statements given above is/are correct?

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Correct answer: D — 1, 2 and 3

All three are stated in the DPIIT release. The shift from WPI to PPI follows IMF recommendations.

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