In India, year-on-year percentage changes of price indexes are widely used as the measure of inflation. In terms of … monthly data, each observation of a one-year change in inflation is the sum of twelve one-month changes. This suggests that … time-series of inflation in India. [NIPFP WP No. 54]. …

In India, there is a large divergence between CPI and WPI inflation trends in the past, wide dispersion in inflation … across commodity groups within WPI, and significant volatility in headline WPI inflation under the influence of supply shocks … policy could yield ambiguous results if inflation data used in such analyses have serious limitations. [Staff Studies]. …

A review of the various primary measures of inflation with a particular reference to the divergence between WPI and CPI …. Focus is also given on different secondary (derived) measures of inflation, particularly core inflation, and end the …