Consumer Price Indices (CPI) measures change over time in general level of prices of goods and services that households acquire for the purpose of consumption.The Price Statistics Division (PSD) of the National Statistical Office (NSO), Ministry of Statistics and Programme Implementation (MoSPI) started compiling Consumer Price Index (CPI) separately for rural, urban, and combined sectors on monthly basis with Base Year (2010=100) for all India and States/UTs with effect from January 2011. It revised the Base Year of the CPI from 2010=100 to 2012=100, incorporating many methodological improvements in consonance with the international practices with effect from January, 2015.