Food inflation fell to a nearly four-year low of 4.35 per cent during the week ended December 3. This is the lowest rate of food inflation since the week ended February 23, 2008, when it stood at 4.28 per cent. Food inflation, as measured by the Wholesale Price Index, stood at 6.6 per cent in the previous week. It was recorded at 10.78 per cent in the corresponding period last year. According to data released by the government today, onions became cheaper by 46.03 per cent year-on-year during the week under review, while potato prices were down by 33.28 per cent. Prices of wheat also fell by 4.43 per cent. Overall, vegetables became cheaper by 12.28 per cent. However, other food products grew more expensive on an annual basis, led by protein-based items.Inflation in the overall primary articles category stood at 5.48 per cent during the week ended December 3, as against 6.92 per cent in the previous week.