The government on Friday raised windfall tax on petroleum crude to Rs 4,900 a tonne from Rs 4,600.
The new rates will be affective from Saturday, according to a government notification released on Friday.
The tax is levied in the form of a Special Additional Excise Duty (SAED).
The SAED on the export of diesel, petrol and jet fuel or ATF, has been retained at nil.
On March 1, government hiked its windfall tax on petroleum crude to Rs 4,600 a metric ton from Rs 3,300 and also cut the windfall tax on diesel to zero from 1.50 per litre.