WPI Framework and India's Wholesale Inflation: Understanding the Index Behind the February 2026 Numbers
India's Wholesale Price Index (WPI)-based inflation rose for the fourth consecutive month to 2.13% in February 2026 (year-on-year), up from 1.81% in January 2026 — the highest reading in 11 months.
The Office of the Economic Adviser (OEA), under the Ministry of Commerce and Industry, released the data on 14 March 2026 (WPI data is released approximately 14 days after month-end).
The rise was driven by higher prices in manufactured products (particularly basic metals, food products, chemicals, and textiles) alongside food articles in the Primary Articles group.
On a month-on-month basis, overall WPI rose by 0.25% in February compared to January, indicating mild but consistent upward momentum.
The Iran conflict's pressure on crude prices and energy inputs — which became acute from late February onwards — is expected to feed into WPI data from March 2026 onwards with a lag of 2-4 weeks for supply chain transmission.
The Wholesale Price Index (WPI): Structure, Methodology, and Purpose
The Wholesale Price Index (WPI) measures price changes at the first point of bulk commercial sale — typically at the factory gate or farm gate, before the goods reach retailers. It is compiled by the Office of the Economic Adviser (OEA) under the Ministry of Commerce and Industry and released monthly.
The fourth consecutive monthly rise in WPI reflects building input cost pressures in manufacturing, particularly metals and food processing — a precursor to CPI-level inflationary pressures if sustained, and an indicator the RBI tracks for cost-push inflation signals.
WPI vs CPI: Different Inflation Lenses for Different Purposes
India maintains two primary inflation indices: WPI (wholesale) and CPI (consumer). They measure price changes at different points in the supply chain, cover different baskets, and serve different policy purposes.
The WPI's four-month rising trend at 2.13% signals upstream cost pressures accumulating in manufacturing and primary sectors — pressure that typically translates to CPI with a 4-8 week lag, relevant for RBI's forward-looking monetary policy stance.
India's Inflation Management Framework: Flexible Inflation Targeting (FIT)
India formally adopted the Flexible Inflation Targeting (FIT) framework in 2016 through an amendment to the Reserve Bank of India Act, 1934. Under FIT, the RBI's primary monetary policy objective is maintaining CPI inflation at 4% with a tolerance band of +/- 2% (i.e., 2-6%).
Rising WPI despite the RBI's vigilance on CPI signals that if energy costs from the Iran conflict feed into manufactured goods prices from March 2026, the RBI may face stronger inflationary pressure that tests its ability to maintain CPI within the 4% target.
- India WPI February 2026: 2.13% (YoY) — 11-month high
- January 2026 WPI: 1.81%; fourth consecutive month of increase
- Month-on-month WPI rise (Feb vs Jan 2026): +0.25%
- WPI basket: 697 commodities; base year 2011-12 = 100
- WPI group weights: Primary Articles 22.6%, Fuel & Power 13.2%, Manufactured Products 64.2%
- Key Manufactured Products sub-weights: Basic Metals 9.7%, Food Products 9.1%, Chemicals 6.5%, Textiles 4.9%
- WPI released by: Office of the Economic Adviser, Ministry of Commerce and Industry
- CPI released by: Ministry of Statistics and Programme Implementation (MOSPI)
- RBI inflation target: 4% CPI (+/- 2% band) under Flexible Inflation Targeting since 2016
- India CPI (approx. Feb 2026): ~3.6-3.8%
- RBI adopted CPI as headline inflation benchmark: April 2014
- WPI methodology: Laspeyres fixed-weight index; gross value of output weights from base year