Kathmandu. Nepal Rastra Bank has determined the exchange rate of foreign currency for today. According to the central bank, the purchase rate for one US dollar has been set at 153 rupees 20 paisa and the selling rate at 153 rupees 80 paisa.The purchase rate for one Australian dollar is 108 rupees 93 paisa and the selling rate is 109 rupees 36 paisa, the purchase rate for one Canadian dollar is 109 rupees 48 paisa and the selling rate is 109 rupees 91 paisa, the purchase rate for one Singapore dollar is 120 rupees 06 paisa and the selling rate...