Year-on-year, petrol prices dropped by 7.90 percent, following a 9.30 percent fall in the previous month and cost of diesel decreased by 13.8 percent, as compared to a 16.83 percent, decline in November.
Food prices increased by 8.17 percent, following a 5.20 percent rise in a month earlier. Among food prices, pulses recorded the highest increase (+55.64 percent), followed by onion (+25.98 percent); vegetables (+20.56 percent), oil seeds (+8.03 percent); egg, meat & fish (+5.03 percent), wheat (+4.53 percent), fibres (+2.36 percent), milk (+1.78 percent), cereals (+1.63 percent) and fruits (+0.76 percent). In contrast, prices declined for potatoes (-34.99 percent) and rice (-1.25 percent).
In December, cost of manufactured products declined by 1.36 percent, as compared to a 1.42 percent fall in the previous month.
The wholesale inflation has been in negative territory since November of 2014.
On a monthly basis, wholesale prices increased by 0.1 percent, slowing from a 0.5 percent rise in November.