Retail inflation eases to 3.40% in March
CPI inflation on the new 2024=100 base cooled, with food inflation at 3.87% and a sharp vegetable-price fall.
What happened
- The Ministry of Statistics and Programme Implementation released the all-India Consumer Price Index (CPI) for March 2026, putting provisional year-on-year retail inflation at 3.40%, measured over March 2025.
- This is the first full set of monthly numbers published on the freshly rebased 2024=100 series, which replaces the older 2012=100 base used through the previous decade.
- Rural inflation stood at 3.63% and urban inflation at 3.11%, confirming that price pressure was somewhat higher in villages than in towns.
- Food inflation, captured by the Consumer Food Price Index (CFPI), was 3.87% (rural 3.96%, urban 3.71%), pulled down by a steep fall in onion, potato, garlic and pulse prices.
- The headline number continued a gentle upward drift within the year โ 2.74% in January, 3.21% in February (final), and 3.40% in March โ yet remained comfortably inside the band the central bank is mandated to defend.
- Telangana recorded the highest combined inflation among States at 5.83%, while a sharp deflation in several kitchen-staple vegetables kept the all-India average subdued.
Background & context
The Consumer Price Index is the official measure of retail price inflation โ the change in prices of the goods and services an ordinary household actually buys. It is compiled and published every month by the National Statistical Office (NSO), which sits within the Ministry of Statistics and Programme Implementation (MoSPI). The CPI is the headline gauge of the cost of living, and it is the specific index the Reserve Bank of India is legally required to target.
India does not run a single inflation number. The CPI measures prices at the consumer's end of the chain, while the Wholesale Price Index (WPI) โ compiled by the Office of the Economic Adviser in the Department for Promotion of Industry and Internal Trade under the Ministry of Commerce and Industry โ measures prices at the wholesale, bulk-transaction stage and carries no services. A frequent exam trap is to attribute the CPI to the Commerce Ministry or the WPI to MoSPI; the opposite is true. The CPI is MoSPI's; the WPI is the Commerce Ministry's.
The release marks a base-year revision, an exercise the government carries out periodically so that the index reflects current consumption habits rather than those of a decade ago. The earlier all-India CPI ran on a 2012=100 base; the new series resets the reference point to 2024=100. A base-year change updates the basket of goods, the weights assigned to each item, and the set of markets surveyed, so that categories that have grown in household spending โ for instance, modern services and newer consumption items โ are better represented. Because the base and the weighting scheme have changed, month-to-month figures on the new series are not strictly comparable with the old one without bridging.
The monthly CPI release feeds directly into India's flexible inflation targeting (FIT) framework. Under the amended Reserve Bank of India Act, the government sets the inflation target in consultation with the RBI; the current target is 4% CPI inflation, with a tolerance band of +/- 2 percentage points โ that is, a 2%โ6% corridor. The RBI's six-member Monetary Policy Committee uses headline CPI, not WPI, as its anchor when deciding the policy repo rate. March's 3.40% print therefore sits below the 4% central point and well within the 2%โ6% band, giving the rate-setting committee room.
For Prelims
- What it is: CPI = Consumer Price Index, the official measure of retail (consumer-end) inflation in India.
- Compiled by: National Statistical Office (NSO), under the Ministry of Statistics and Programme Implementation (MoSPI). Field price data is gathered by the NSO Field Operations Division.
- New base year: 2024=100, replacing the earlier 2012=100 series.
- March 2026 headline: 3.40% (provisional) year-on-year; rural 3.63%, urban 3.11%.
- CPI (General) index level: Rural 105.01, Urban 104.62, Combined 104.84.
- Food inflation (CFPI): 3.87% combined (rural 3.96%, urban 3.71%). The CFPI is the Consumer Food Price Index, a food-only sub-index drawn from the same CPI data.
- Housing inflation: 2.11% (an urban-weighted sub-index; housing has no separate rural CPI component).
- Deflation items (Mar 2026): Onion โ27.76%, Potato โ18.98%, Garlic โ10.18%, Arhar/Tur โ9.56%, Peas/chickpeas โ7.87% โ i.e. these prices fell year-on-year.
- Highest-inflation items: Silver jewellery +148.61%, Gold/Diamond/Platinum jewellery +45.92%, Coconut copra +45.52%, Tomato +35.99%, Cauliflower +34.11%.
- State with highest combined inflation: Telangana at 5.83%.
- Data collection: real-time prices from 1,407 urban markets and 1,465 villages, on a weekly roster; March response rate 99.93% rural, 100% urban.
- Release rhythm: CPI is published monthly; the April 2026 index was scheduled for 12 May 2026. Detailed State- and item-wise indices are hosted on MoSPI's eSankhyiki portal.
- Within the band: 3.40% lies inside the RBI's 2%โ6% tolerance band around the 4% target.
- What it is NOT: CPI is NOT the WPI. The WPI is a wholesale-stage index compiled by the Office of the Economic Adviser under the Ministry of Commerce and Industry, excludes services, and is not the RBI's policy anchor. CPI is NOT a GDP deflator either, and the CFPI is NOT a separate survey โ it is a food sub-index carved out of the same CPI basket.
- The full Indian inflation set (for "how many / match" questions): (1) CPI โ Combined / Rural / Urban, by MoSPI, RBI's target; (2) CFPI โ food sub-index of CPI; (3) WPI โ Commerce Ministry; (4) the older labour-specific series CPI-IW (Industrial Workers), CPI-AL (Agricultural Labourers) and CPI-RL (Rural Labourers), compiled by the Labour Bureau and used for dearness-allowance and wage indexation; (5) the GDP deflator, derived from national-accounts data. The single all-India CPI on 2024=100 is the headline number reported here.
Why it matters
Retail inflation is the single number that connects the kitchen budget to monetary policy. A 3.40% print, sitting below the 4% target and inside the 2%โ6% band, signals that price pressures are contained โ which keeps the door open for the Monetary Policy Committee to hold or ease the repo rate, lowering the cost of borrowing for households and firms. Because the CPI is the legally mandated anchor of flexible inflation targeting, each monthly release is read closely by markets, the RBI and the government alike.
The composition of March's number is as instructive as the headline. The all-India average was held down by deflation in everyday vegetables โ onion fell nearly 28% and potato almost 19% year-on-year โ even as precious-metal jewellery surged, with silver up over 148% and gold/platinum up nearly 46%. This divergence shows how a low headline figure can mask very different stories within the basket: cheaper food relieving the poorest households while asset-linked items like gold and silver climb on global price movements. Food carries a large weight in the Indian CPI, so vegetable and pulse prices swing the headline sharply, which is precisely why a good monsoon and stable supply chains matter so much for the inflation print.
The base-year revision to 2024=100 matters because an index is only as honest as the basket behind it. Consumption patterns shift over a decade; an index frozen on a 2012 basket steadily drifts away from what families actually spend on. Refreshing the base, the weights and the surveyed markets keeps the CPI a faithful mirror of the present-day cost of living, and improves the quality of the data the RBI relies on to set interest rates.
The credibility of the number also rests on the reach and discipline of the data collection behind it. Prices for the March index were gathered from 1,407 urban markets and 1,465 villages on a fixed weekly roster, with response rates of 99.93% in rural areas and 100% in urban ones โ a near-complete sample that limits the gaps and revisions which can otherwise distort a fast-moving series. Publishing the full State- and item-wise breakdown on the eSankhyiki portal adds a layer of transparency, letting researchers, markets and the public interrogate the headline rather than take it on trust. For an aspirant, the takeaway is that the CPI is not a single guessed figure but the aggregate of tens of thousands of observed prices, weighted by how much households actually spend on each item.