"Rupee became the worst performing currency among Asian currencies on back of month-end dollar demand from oil importers. Also, safe-haven dollar demand has surged after Russia attacks on Ukraine fuelled sell-off in risk assets," said Dilip Parmar, Research Analyst, HDFC Securities. Brent Crude oil prices surged past the USD 100-a-barrel mark amid geopolitical worries which worsened sentiments for rupee. "Spot USD-INR took support at 74.30, the 200 days simple moving average and now heads for a month high of 75.72," Parmar said. On the domestic equity market front, the 30-share Sensex ended 2702.15 points or 4.72 per cent lower at 54,529.91, while the broader NSE Nifty plunged 815.30 points or 4.78 per cent to 16,247.95. Foreign institutional investors remained net sellers in the capital market on Wednesday as they offloaded shares worth Rs 3,417.16 crore, as per stock exchange data.