US dollar edges up against Re

The US dollar edged higher against the rupee at Rs 63.64/65 per dollar and the pound sterling also turned firm at Rs 100.09/11 per pound at the close of the Interbank Foreign Exchange market today.
Following are the Interbank Forex and RBI rates:
(In Rs Per Unit)
Unit Interbank RBI Reference US Dollar 63.64/65 US Dollar Rs. 63.6042 Pound Sterling 100.09/11 Euro Rs. 71.2302 Euro 71.25/27
Japanese Yen(100) 51.