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Petrol and diesel prices remained unchanged on September 21 across major Indian cities, following the daily price revision by state-run oil marketing companies. In Mumbai, petrol retained a price of ₹111.21 per litre, while over the past few days it has fluctuated between ₹111.18 and ₹111.21. Dealers nationwide are petitioning the finance and petroleum ministries to exempt them from a new UPI transaction fee that will take effect next month.

The proposed flat ₹5 merchant discount rate (MDR) for UPI fuel purchases above ₹2,000 is causing concern among dealers who fear it will strain their thin profit margins. Iran and the United States exchanged new threats after Iran-backed Houthis attacked Saudi Arabia, raising the possibility of further escalations. The conflict has disrupted global oil markets, with oil prices hovering above $100 per barrel.

The East-West pipeline closure has compounded the issue, and the conflict is affecting Iran's economy and regional stability.