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The variation in the price level in India can be measured in terms of the Wholesale Price Index (WPI), or the Implicit National Income Deflator (NID) or the Consumer Price Index (CPI). The WPI is the main measure of the rate of inflation often used in India. The consumer price index, or CPI. Put out by the Bureau of Labor Statistics, this measures the average change over time in the prices that urban consumers pay for a market basket of goods and services.

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