Bhattarai
Bhattarai (Nepali:भट्टराई) is a surname used by certain subgroup belonging to the Bramhin caste i.e. Bahun of Nepal, India (Sikkim, Assam, West Bengal, states) and certain parts of Bhutan. They are believed to be the direct descendant of Rishi Vasisht, one of the Saptarishis (Seven Great Sages) in the seventh (i.e. the present) Manvantara (the age of a Manu).