Days after the steepest diesel price hike, oil companies today raised premium or branded petrol and diesel rates by Rs 6.36 and Rs 19.55 per litre, respectively.The government, on Thursday, had raised diesel price by Rs 5.63 per litre and allowed the oil companies to price premium or branded petrol and diesel at market prices.Subsequently, the premium or branded petrol in Delhi is being sold at Rs 77.58 per litre from today as against Rs 71.22 previously.

Similarly, premium or branded diesel is being sold at Rs 65.81 per litre as against Rs 46.26 previously, industry sources said.Indian Oil Corporation (IOC) sells premium or branded petrol under the brand name 'XtraPremium', while Bharat Petroleum calls it 'Speed'. Hindustan Petroleum sells the fuel under the brand name 'Power'.