New Delhi: Petrol prices in national capital Delhi have crossed the two year high of Rs 83 amidst increasing prices of crude oil in international prices. Oil marketing companies have increased the retail prices of petrol for the last five days and presently a liter of petrol in Delhi is costing over Rs 83.40. Diesel prices have also risen continuously for the last five days and are presently sold at Rs 83.13 a liter in Delhi.