In India, the wholesale price index (WPI) is the main measure of inflation. The WPI measures the price of a representative basket of wholesale goods. In India, wholesale price index is divided into three groups: Primary Articles (22.6 percent of total weight); Fuel and Power (13.2 percent); and Manufactured Products (64.2 percent). The Food Index from the Primary Articles and Manufactured Products groups accounts for 24.4 percent of the total weight. The most important components of the Manufactured Products group are Basic Metals (9.7 percent of total weight); Food products (9.1 percent); Chemicals and Chemical products (6.5 percent) and Textiles (4.9 percent). Within the Primary Articles group, the most important component is Food Articles (15.3 percent), while within Fuel and Power, the most important category is HSD (3.1 percent).