Tongba actually is the vessel which holds the fermented millet beverage known as mandokpenaa thee. specially daar tree is use for make tongba. Tongba is a millet-based alcoholic beverage found in the eastern mountainous region of Nepal and the neighbouring Darjeeling and sikkim. It is the traditional and indigenous drink of the limbu,yakkha, rai, sunuwar, lepcha, sherpa, and many other ethnic group of eastern Nepal. Tongba is culturally and religiously important to the limbu people.