Mumbai, Aug. 4 -- The government has hiked windfall gains tax on exports of petrol, diesel and ATF for the fortnight beginning Monday.

The rate of special additional excise duty (SAED) on export of diesel will be Rs 25.5 a litre, up from Rs 15.5 a litre. SAED on export of ATF will be Rs 22/litre, as against Rs 14.5/litre earlier.

Duty on petrol exports has been raised to Rs 3.5 per litre, from Rs 2.5 per litre levied on July 16.

The finance ministry in a notification said the duty hikes will be effective from August 3.

The ministry also said that there is no change in the existing duty rates on petrol and diesel cleared for domestic consumption.

The windfall tax was levied to increase domestic availability of the fuel amid the war in...