The government has increased the windfall tax on exports of petrol, diesel and aviation turbine fuel (ATF), effective August 3, raising the levy on petrol to ₹3.5 per litre from ₹2.5 per litre, on diesel to ₹24 per litre from ₹15.5 per litre, and on ATF to ₹22 per litre from ₹14.5 per litre, according to an official order.Published on August 3, 2026