Petrol and diesel prices are unchanged across the four metro cities on Tuesday, July 6, according to data released by the Indian Oil Corporation (IOC). In the national capital, petrol prices are hovering just off the three-figure mark at Rs. 99.86 per litre and diesel prices are constant at Rs. 89.36 per litre. In Mumbai, the petrol and diesel prices stand at Rs. 105.92 per litre and Rs. 96.91 per litre.