Petrol and diesel prices were raised on Friday for the second straight time in a fortnight. While petrol prices were hiked by 3.13 per litre, diesel prices were raised by Rs 2.71 per litre, tracking global crude oil prices.But with state levies, the retail rates at fuel pumps would be more.The increase in petrol and diesel prices will be effective from Friday/Saturday midnight.After the revision, the price of petrol in Delhi will become Rs. 66.29 per litre, while diesel would cost 52.28 per litre in Delhi"Since last price change, there has been a steep increase in international prices of both petrol and diesel. INR-USD exchange rate has also depreciated quite significantly during this period. Combined impact of both these factors warrant an upward revision in prices, the impact of which is being passed on to the consumers with this price increase," Indian Oil said in a statement

Fuel prices were last revised on April 30 when petrol prices were hiked by Rs 3.96 per litre while diesel prices were increased by Rs 2.37 a litre.Oil companies review global crude prices every fortnight and revise fuel prices accordingly.