Consumer Food Price Index In light of the protest by farmers from Punjab and Haryana over the 3 Farm laws passed in September, I decided to take a look at Food Inflation. The Consumer Price Index (CPI) in India has gone through a few changes since 2010 - the base year has changed from 2010 to 2012. The Consumer Food Price Index is a component of the overall CPI comrising the basket of food and beverages and this component remains the the most important basket with a weight of 45.