'Forex dealers said increased demand for the US currency from importers and the greenback's gains against other currencies overseas, put pressure on the rupee.
On Monday, the rupee had gained 9 paise to close at 66.92 per dollar in view of strong foreign capital inflows coupled with a firm equity market.
Forex market remained closed yesterday on account of Municipal Elections for Greater Mumbai.
Meanwhile, the benchmark BSE Sensex rose 96.71 points, or 0.33 per cent, to 28,858.30 in early trade today.