US dollar surges against rupee

The US dollar surged against the rupee at 66.44/45 per dollar and the pound sterling also finished higher at Rs 100.28/30 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 66.44/45 US Dollar Rs. 66.3378 Pound Sterling 100.28/30 Euro Rs. 71.4458 Euro 71.66/68
Japanese Yen(100) 53.