Mumbai, April 13 -- India has increased the windfall tax on aviation turbine fuel (ATF) exports to Rs 42 per litre, up from Rs 29.5 per litre, adding pressure on airlines already dealing with higher fuel costs due to rising global crude oil prices.

The government also raised the export duty on diesel to Rs 55.5 per litre from Rs 21.5 per litre, while petrol exports continue to remain exempt.

The decision comes as authorities consider steps to prevent rising fuel costs from pushing up airfares. Officials are reviewing taxes and fees to support both airlines and passengers during a period of volatile oil prices. The revised rates were announced by the Finance Ministry through an official notification.

The windfall tax is used to limit ex...