A man uses an electronic machine to check an Indian currency note at a money exchange shop in the northeastern Indian city of Siliguri February 5, 2008. Interest rates in India are 4.25 percentage points higher than in the United States, the widest gap in three years, and the Reserve Bank of India is worried that yield-seeking flows will push up the rupee and hurt exporters. REUTERS/Rupak De Chowdhuri (INDIA)