US dollar finishes slightly dearer against rupee

The US dollar finished marginally up against the rupee at 63.77/78 per dollar but the pound sterling turned sharply lower at Rs 98.76/78 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 63.77/78 US Dollar Rs. 63.7603 Pound Sterling 98.76/78 Euro Rs. 69.7091 Euro 69.50/52
Japanese Yen(100) 51.