Retail Inflation Rises to 5.54% in September: Food, Oil and a Weak Rupee Push Prices Up After the RBI's Rate Hike
India's retail inflation, measured by the Consumer Price Index (CPI), rose to 5.54% in September 2026 from a revised 4.83% in August. This is a near two-year high.
Food inflation jumped to 7.74% from 5.97%. Food is more than a third of the CPI basket, so this was the biggest push.
Other items also became costlier: transport prices rose 5.01%, restaurant and hotel prices 9.36%, and personal care items 13.75%.
A weaker rupee and crude oil prices back above $100 a barrel are making imported goods costlier. Weak rainfall is expected to keep food prices high in the coming months.
The data supports the Reserve Bank of India's (RBI) decision a week earlier to raise the repo rate by 25 basis points to 5.50%, its first hike in almost four years. The RBI expects inflation to average about 6% in the October–December quarter.
Consumer Price Index (CPI): How India Measures Retail Inflation
The Consumer Price Index tracks how the prices of things a normal family buys change over time: food, clothes, housing, fuel, transport, health, education and more. When we say "retail inflation is 5.54%", it means the CPI is 5.54% higher than in the same month a year ago. The CPI is compiled and released every month by the National Statistics Office (NSO) under the Ministry of Statistics and Programme Implementation (MoSPI).
The 5.54% figure is the CPI (Combined) for September 2026. Even though food's weight is now lower than in the old series, a sharp jump in food prices to 7.74% was still enough to lift overall inflation well above the 4% target.
Monetary Policy Committee (MPC): How RBI Sets the Repo Rate
The Monetary Policy Committee is a six-member body that decides India's main interest rate, the repo rate. Three members come from the RBI, with the Governor as chair, and three are outside experts appointed by the central government. Its legal job, under the RBI Act, 1934, is to keep CPI inflation at 4%, within a band of 2% to 6%, while keeping growth in mind. Raising the repo rate makes loans costlier, which slowly cools spending and prices.
September's 5.54% print, with the RBI itself expecting about 6% in the October–December quarter, shows why the MPC chose to hike. Inflation is moving toward the top of the 2–6% band, and a stretch above 6% could trigger the "failure" rule.
Imported Inflation: How Global Prices and a Weak Rupee Raise Prices at Home
Imported inflation is the rise in a country's prices that comes from abroad. It happens when imported goods like crude oil, edible oil or fertiliser become costlier in world markets, or when the rupee weakens so that each dollar of imports costs more rupees. These higher costs then spread to fuel, transport, factory goods and food. Interest rate changes at home cannot directly control world prices, which makes this kind of inflation hard to fight.
Along with food, costlier oil and a weak rupee are adding to price pressure. Because the RBI cannot control world oil prices, it raises rates partly to stop these cost increases from turning into a general, lasting rise in prices.
- CPI inflation, September 2026: 5.54% (August revised: 4.83%)
- Food inflation: 7.74% (August: 5.97%)
- Transport: 5.01%; restaurants and hotels: 9.36%; personal care: 13.75%
- Repo rate raised by 25 bps to 5.50% on 7 October 2026; stance: calibrated tightening
- SDF 5.25%; MSF and Bank Rate 5.75%
- RBI projection: about 6% average inflation in October–December 2026; 5.2% for 2026-27
- Inflation target: 4% CPI, band 2–6%
- CPI base year: 2024 = 100; food and beverages weight about 36.75%
- Crude oil: above $100 a barrel; 10-year government bond yield about 7.40%