The wholesale price based inflation was 19.83 percent in the previous week.
On weekly basis, the price index for food articles declined by 1 per cent on account of decline in prices of fruit and vegetables (6 percent), gram (3 percent) and tea (1 percent).
The inflation for primary articles, which include food and non-food items, rose to 14.39 percent.
Potato remained expensive rising as much as 110 percent, followed by pulses whose prices jumped by 42.21 percent. Vegetables turned expensive by 30.97 percent.
Prices of fish-marine and barley rose by 3 per cent each, while that of moong and masur rose by 1 percent each over the previous week.