Fuel prices were reduced marginally on Sunday across the four metro cities by the state-run oil marketing companies (OMCs). In Delhi, petrol was sold at Rs. 77.73 per litre while diesel price stood at Rs. 72.46 per litre with effect from 6:00 am, according to state-run Indian Oil Corporation. In Mumbai, petrol and diesel prices were Rs. 83.24 per litre and Rs. 75.92 per litre respectively. In Kolkata, the petrol and diesel rates were Rs. 79.65 per litre and Rs. 74.32 per litre respectively, according to Indian Oil Corporation. Petrol and diesel prices stood at Rs. 80.73 per litre and Rs. 76.59 per litre respectively in Chennai.