Sindhuli District, a part of the Bagmati Province, is one of the seventy-seven districts of Nepal, a landlocked country located in South Asia. …Sindhuli District, a part of the Bagmati Province, is one of the seventy-seven districts of Nepal, a landlocked country located in South Asia. The district, with Sindhulimadhi Kamalamai as its headquarters, covers an area of 2,491 km². As per the 2011 census, Sindhuli District has a population of 296,192.