Under his father Tenzing Namgyal, most of Sikkim was appropriated by Nepal. Tshudpud Namgyal returned to Sikkim in 1793 to reclaim the throne.
Under the leadership of his father Tenzing Namgyal, a significant portion of Sikkim fell under Nepalese control. However, Tshudpud Namgyal later returned to reclaim the throne of Sikkim in 1793.