They are descended from old warriors of Khas Kingdom. Chhetri dominated the military forces of Shah dynasty of Nepal. The 5 main Chhetri families at Royal court of Nepal formed group called Kaji Khalak (Aristocrats). They are; Basnyat, Pande, Thapa, Kunwar and Bista. Basnyat, Pande and Thapas were most powerful Chhetri groups led by Shivaram Singh Basnyat, Kalu Pande and Birbhadra Thapa at the Unification of Nepal. The Kunwars were led by Ramkrishna Kunwar and Bista/Bisht were led by Gajabal Bista and Atibal Bista. Sometimes, Bhandari Kshetri family of Jaswanta Bhandari was also considered as Kaji Khalak family of the Royal court of Nepal.