Prices of both petrol and diesel across the country witnessed a dip on Monday. After a reduction of 30 paise, the petrol price in the national capital settled at Rs 81.44 per litre. In Mumbai too, the petrol price was slashed by 30 paise. It is now being retailed at Rs 86.91 per litre. The diesel price mark was Rs 74.92 per litre with a decrease of 27 paise in Delhi. Meanwhile, in Mumbai, diesel was retailed at Rs 78.54 per litre by witnessing a plunge of 28 paise. Decrease in fuel prices can be witnessed in past few days. Meanwhile, in the national capital, all 400 petrol pumps along with linked CNG dispensing units will remain shut from 6 am on Monday till 5 am on Tuesday in protest against Aam Aadmi Party-led Delhi government's refusal to reduce Value Added Tax (VAT) on diesel and petrol.