US dollar ends tad lower against the rupee

The US dollar ended marginally lower against the rupee at 66.39/40 per dollar and the pound sterling also finished lower at Rs 98.38/40 per pound at the close of the Inter-bank Foreign Exchange market today.
Following are the Inter-bank Forex and RBI rates:
(In Rs Per Unit)
Unit Interbank RBI Reference US Dollar 66.39/40 US Dollar Rs. 66.4243 Pound Sterling 98.38/40 Euro Rs. 72.6018 Euro 72.52/54
Japanese Yen(100) 55.