New Delhi, Oil marketing companies on Saturday raised petrol and diesel prices for the third consecutive day.Petrol in Delhi today went up by Rs 82 and diesel by Rs 72 per litre. The price of diesel has increased by 26 to 28 paise today. Petrol prices have increased from 21 paise to 24 paise.On November 27, diesel was costlier by 22 to 26 paise and petrol by 17 to 19 paise per litre in four major metros of the country.The prices of both fuels remained stable on November 25, after petrol and diesel prices rose for five consecutive days.After the hike, the petrol in Delhi was Rs 82.13 while diesel was Rs 72.13 per litre and in the commercial city Mumbai petrol was Rs 88.81 per litre and diesel was Rs 78.66 per litre.In Kolkata, petrol reached Rs 83.67 per litre and diesel Rs 75.70 per litre and in Chennai petrol cost Rs 85.12 per litre, while diesel price reached Rs 77.56 per litre.