​Moving on: on India’s Consumer Price Index and a new base year

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The retail ostentation fig for December 2025 is the last instalment of the existent bid of the Consumer Price Index (CPI), with a basal twelvemonth of 2012, earlier it is updated to a caller basal twelvemonth and with caller weightages. The CPI information this twelvemonth person been peculiarly utile successful highlighting the problems with relying connected a dataset that has not been updated successful much than a decade. The ostentation fig for December 2025 stood astatine 1.33%. The information that it was a three-month precocious is simply a statistical curiosity since it was besides the 3rd lowest since the existent bid began. Overall, successful the April-December 2025 period, ostentation has averaged 1.7%, substantially little than the 4.9% mean successful the aforesaid play of 2024. But it does not consciousness that way. Anecdotal grounds and hard information amusement that the ostentation that radical are truly experiencing is acold higher than what the authoritative information show. For example, the government’s ain archetypal beforehand estimates for GDP maturation this twelvemonth amusement that it expects backstage depletion to turn slower than it did past year. If ostentation had so eased to the grade that the authoritative information suggest, surely depletion should person picked up. According to its latest variation of the Reserve Bank of India’s ostentation expectations survey from December, households perceived ostentation to beryllium 6.6% — a acold outcry from the authoritative 1.33% — and felt that it would accelerate to 7.6% successful 3 months and to 8% successful a year. The feeling intelligibly is that not lone are prices rising, but they are rising astatine a faster rate. Failing to seizure this is wherever the authoritative information fto policymakers down.

The astir basal contented with immoderate ostentation information is that a azygous fig is expected to seizure the assortment of terms changes that instrumentality spot crossed the country. The nationalist ostentation fig aggregates terms levels and movements from districts successful Kashmir to villages successful Kerala and everyplace successful between, for some municipality and rural. Naturally it volition suffer nuances successful the process. Further, portion this is the earthy peril of computing nationalist statistic for a divers state specified arsenic India, the outdated quality of the CPI makes matters importantly worse. The weightages of the assorted sub-sectors successful the scale were based connected depletion patterns successful 2012. People devour precise otherwise now, particularly due to the fact that of assorted cardinal and State subsidies being offered. Thankfully, connected February 12, the authorities volition merchandise the January ostentation information based connected the caller bid of the CPI. This bid volition spot the basal twelvemonth updated to 2024, and volition incorporated caller weights based connected the Household Consumption Expenditure Survey 2023-24. It is an update sorely needed.

Published - January 15, 2026 12:20 americium IST

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