Petrol and diesel prices today were increased in the range of 33-34 paise per litre and 25-27 paise per litre across Delhi, Kolkata, Mumbai and Chennai. That marked fresh all-time highs of petrol and diesel prices in Delhi and Mumbai. With effect from 6 am, Monday, petrol was sold at Rs. 76.57 per litre in Delhi while diesel retailed at Rs. 67.82 per litre, according to Indian Oil Corporation. Including Monday's hike, petrol has been made expensive by Rs. 1.94 per litre and diesel by Rs. 1.68 per litre in the national capital in eight days.