Fuel prices have once again gone up on Friday morning in Delhi and Mumbai. In New Delhi, petrol is being sold 48 paise higher at Rs 79.99 per litre, while the price of diesel has been increased by 52 paise to Rs.72.07 per litre. In Mumbai, the price of petrol has surpassed the Rs 86 mark to be sold at Rs.87.39 per litre, while diesel is being retailed at Rs.75.51 per litre.