NEW DELHI, April 16 (Reuters) - India's annual wholesale price inflation edged down to 2.47 percent in March from a year earlier, helped by a fall in food prices, government data showed on Monday. The latest print came below a 2.58 percent increase forecast by economists in a Reuters poll. ------------------------------------------------------ SUB INDEX (WEIGHT) March Feb Pct Change (m/m) PRIMARY ARTICLES 22.62 127.4 128.0 -0.5 FUEL AND POWER 13.15 98.0 98.1 -0.1 MANUFACTURED PRODUCTS 64.23 115.7 115.2 +0.4 ------------------------------------------------------------ SOURCE: Ministry of Commerce and Industry. (Compiled by Manoj Kumar in NEW DELHI; Editing by Malini Menon)