Islamabad (Aatif Shirazi) Petrol has been reduced by one rupee 65 paise and diesel by 88 paise per litre. The Petroleum Division has issued a price reduction announcement which is applicable from September 19 to 21. Meanwhile, the new price of high speed diesel has been set at Rs 424 4 paise and petrol price has been set at Rs 389 14 paise per litre.