Petrol and diesel prices were hiked today after a 19-day hiatus and two days after the Karnataka election. Petrol in Delhi is at a 56-month peak and the price of diesel has crossed Rs. 66 a litre for the first time, to a new all-time high. Petrol prices are up by 17 paise a litre in Delhi and Mumbai, and 18 paise a litre in Kolkata and Chennai, according to the Indian Oil Corporation. Diesel prices have been raised by 21 paise a litre in Delhi, 5 paise in Kolkata, and 23 paise in Mumbai and Chennai, according to Indian Oil's website - iocl.com. Karnataka voted on Saturday for a new assembly and the results will be announced tomorrow.