Petrol price in four metros now Mumbai- 78.16/L (70.66/L) Chennai-77.05/L(69.55/L) New Delhi -73.14/L (65.64/L) Kolkata - 77.53 (70.03) In the world Petrol is cheapest at Venezuala @ 1.17 / Litre. followed by Iran where Petrol rate is 4.17 / Litre. India is the only country where Petrol is expensive. It is mainly due Government duties imposed on Petrol. Now it is high time that Government should cut it duties on Petrol.