Commodities Petrol, diesel prices rise for the first time since April 24 ahead of Karnataka poll results Updated : May 14, 2018 12:25 PM IST The petrol prices rose up for the first time after April 24, a day after the of the Karnataka elections' exit poll. Prices surged to Rs 74.80 per litre in New Delhi, Rs 77.50 per litre in Kolkata, Rs 82.65 per litre in Mumbai and Rs 77.61 per litre in Chennai. The prices remained constant at Rs 74.63 per litre in New Delhi, Rs 77.32 per litre in Kolkata, Rs 82.48 per litre in Mumbai and Rs 77.43 per litre in Chennai from April 24 until Sunday, i.e., May 13. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.