Headline inflation fell to a two-year low of 7.47 per cent in December 2011, as against 9.11 per cent in November. It was 9.45 per cent in the same month in 2010, as measured by the Wholesale Price Index, WPI.According to official data released today, vegetables were cheaper by 34.18 per cent and wheat by 3.81 per cent on an annual basis. Potato prices fell 35.45 per cent and onion prices fell 60.45 per cent year-on-year during December. Prices of food items rose at a lower rate of 0.74 per in December, compared to 8.54 per cent expansion in the previous month. Inflation in overall primary articles stood at 3.07 per cent in December, compared to 8.53 per cent in November. Non-food primary articles, which include fibres and oil seeds, also showed moderation by registering an inflation of 1.48 per cent in December, compared to 3.22 per cent rise in the previous month. However, inflationary pressure continued in manufactured items, which have a weight of around 65 per cent in the WPI basket. Prices of manufactured products went up 7.41 per cent year-on-year in December, as against 7.7 per cent in the previous month. The latest numbers are the lowest since December 2009, when headline inflation was at 7.15 per cent.