In the national capital, petrol costs Rs 105.41 per litre while diesel retails at Rs 96.67 per litre. In Mumbai, the petrol & diesel prices per litre at Rs 120.51 & Rs 104.77. In Chennai, a litre of petrol costs Rs 110.85 while diesel is available at Rs 100.94. In Kolkata, the price of a litre of petrol is Rs 115.12 while diesel is at Rs 99.83.