The dollar's slide against some currencies overseas ahead of the Fedral Reserve's meet beginning tomorrow and a stronger opening of domestic equities took the rupee high.
On Friday, the rupee had gained 4 paise to end at 64.08 against the US dollar.
Meanwhile, the Nifty rallied by 68.95 points, or 0.68 per cent to hit a new high of 10,154.35 and the benchmark Sensex spurted 190.17 points, or 0.58 per cent, to 32,462.78 in the opening trade.