Diesel prices hit fresh record levels in four metros across the country on Tuesday.Oil Marketing Companies (OMCs) increased the prices of both petrol and diesel today for a third straight day. According to daily price notification issued by state-owned oil firms, diesel can be purchased today at Rs. 69.61 per litre in Delhi. Diesel is being sold at Rs. 73.90 per litre in Mumbai, Rs. 72.46 per litre in Kolkata and Rs. 73.54 per litre in Chennai. The revised rates are applicable from 6 am on August 28, 2018.