<h1>India's Wholesale Price Index Dips 0.4% for Primary Articles; Fuel Index Rises Amid Mixed Price Trends.</h1> For the week ending May 21, 2011, India's Wholesale Price Index (WPI) for Primary Articles decreased by 0.4% to 191.7, with inflation at 10.87% year-on-year. The Food Articles index dropped by 0.2% due to price declines in poultry, barley, and other items, while prices for milk, jowar, and others rose. Non-Food Articles fell by 1.0% due to lower prices in timber and raw silk, among others. The Fuel and Power index increased by 0.4% to 160.7, with inflation at 12.54%, driven by higher petrol and bitumen prices, despite declines in aviation fuel and other items.