Inflation rose marginally to (-)1.21 per cent for the week ended July 4 against (-)1.55 per cent in the previous week mainly due to higher prices of fuel items.
The wholesale price index during the corresponding week a year ago was as high as 12.19 per cent.
Following the government decision to raise fuel prices effective July 1, prices of naphtha rose 15 per cent, furnace oil 11 per cent, petrol 10 per cent, high-speed diesel 7 per cent and light diesel oil by 4 per cent.
Fuel items turned expensive as the government increased prices of petrol and diesel by Rs 4 and Rs 2 per litre, respectively.