Petrol, Diesel prices March 9: Petrol and diesel prices have remained unchanged on March 9, Monday despite the crude oil prices crossing $100/barrel for the first time since amid the Middle East escalating conflict. In Mumbai, petrol was priced at Rs 104.21 per litre, while diesel stood at Rs 92.15 per litre. In Patna, petrol was priced at 105.42 per litre.