Office of Economic Advisor (OEA), Department of Industrial Policy and Promotion, Ministry of Commerce and Industry calculates the WPI. Wholesale Price Index (WPI) measures the average change in the prices of commodities for bulk sale at the level of early stage of transactions. The index basket of the WPI covers commodities falling under the three Major Groups namely Primary Articles, Fuel and Power and Manufactured products. The prices tracked are ex- factory price for manufactured products, agri-market (mandi) price for agricultural commodities and ex-mines prices for minerals. Weights given to each commodity covered in the WPI basket is based on the value of production adjusted for net imports. WPI basket does not cover services. The monthly index of wholesale prices at the time of its initial compilation and release is provisional in nature because it does not take into account some of the price quotations...