Inflation rose to 3.93 per cent for the week ended January 19, against 3.83 in the previous week mainly due to increase in manufactured items, some food articles and petroleum products.
The wholesale price-based index, stood at 6.31 per cent during the corresponding week a year ago.
This is the first inflation data which came after the announcement of credit policy on January 29.
During the week, prices of maize, wheat, arhar went up, while prices of fresh marine, urad and condiments and spices declined.
In the fuel, power, light and lubricants category furnace oil and light diesel oil went expensive.
Manufactured food items like imported edible oil, soyabean oil, cottonseed oil, ghee and sugar were dearer, while prices of gur fell by 1 per cent.