Nepal is one of the famous destination for tourist (specially in Trekking). Every year 500,000 tourist comes to Nepal to visit. Most of them go for trekking in the Himalayan region and also for mountaineering.
Main source of Foreign Currency is tourism industry for Nepal. Tourist bring currency from their country and exchange in local currency and they expense for many purposes.
Forex Trading is in the especially in Thamel. Thamel is the main tourist area of Nepal and there are lots of Trekking shops, hotels, thankas handicraft, travel and trekking agencies. So, the tourist buy different kinds of goods and serving their. For that they need local money. They can exchange their money from the money changer. There is lots of government authorized money changer in Thamel and also in different places in Nepal.