<h1>RBI Updates: US Dollar Reference Rate Rises to Rs. 63.8061; Euro and Pound Rates Drop Slightly Against Rupee.</h1> The Reserve Bank of India set the reference rate for the US Dollar at Rs. 63.8061 on August 7, 2015, up from Rs. 63.7603 the previous day. Alongside this, the exchange rates for other currencies against the Indian Rupee were also updated. The Euro was valued at Rs. 69.6571, down from Rs. 69.7091, the British Pound at Rs. 98.9250, down from Rs. 99.6000, and 100 Japanese Yen at Rs. 51.13, slightly up from Rs. 51.11. The SDR-Rupee rate will be derived from this reference rate.