Nepal is one of the richest countries in the world in terms of bio-diversity due to its unique geographical position and altitudinal variation. The elevation of the country ranges from 60 m above sea level to the highest point on earth, Mount Everest at 8848 m, all within a distance of 150 km resulting into climatic conditions from sub-tropical to Arctic.

Nepal occupying only 0.01 percent of the total landmass of the...