The government has raised petrol prices by Rs3.66 and high-speed diesel (HSD) by Rs4.80 per litre, reflecting global oil price volatility due to renewed US-Iran tensions in the Persian Gulf.Petrol now costs Rs335.18 per litre, while HSD is priced at Rs383.46.Taxes and duties on petrol total Rs110 per litre, compared to Rs96 for diesel.The price adjustments, effective for three days, follow weekly revisions since March amid Middle East conflicts.Diesel prices have dropped from a peak of Rs520.35 in April but rose after the US-Iran war began in February.Petrol prices peaked at Rs458.41 on April 3.The Petroleum Minister announced daily fuel price fixes based on international markets, a shift from weekly reviews.This decision faces opposition from dealers' associations.Fuel price changes impact middle and lower-middle classes via petrol use in private transport and diesel reliance in heavy industries.Monthly sales of petrol and HSD reach 700,000-800,000 tonnes, far exceeding kerosene demand.