Cpi Index 2024 Upsc Notes. Consumer price index (cpi) is one of the price indices used to measure the change in the retail prices of goods and services consumed by a defined population group in a given area. The cpi measures price changes by comparing the cost of a fixed basket of commodities, similar to the wholesale price index (wpi).

Consumer price index (cpi) definition. Cpi, especially the cpi all india (combined),.