In no respite to the citizens, fuel prices in the country touched new heights on Monday morning, especially in Mumbai, as the petrol price in the metropolitan city crossed Rs 90-run mark. In Mumbai, the petrol price has touched Rs 90.08 per litre, while diesel is being retailed at Rs 78.58 per litre. Meanwhile, the prices of petrol and diesel in New Delhi are Rs.82.72 per litre and Rs.74.02 per litre respectively. Keeping the people's suffering in mind, the West Bengal government on September 11 reduced the excise on petrol and diesel by Re 1 per litre each last week. Similarly, the Karnataka government had also announced that the petrol and diesel prices across the state would be cheaper by Rs 2 per litre each, following the reduction in cess on these fuels. As per India's pricing mechanism, the domestic fuel prices depend upon the international fuel prices on a 15-day average and the value of the Indian rupee. Fuel prices have been witnessing a steep rise since the past few weeks.