The geographical area of Necha Salyan Rural Municipality is 94.49 sq km. It has a population of 16129 according to census 2011. This rural municipality has five wards. It was formed by merging three former VDCs. It is surrounded by Thuung dudhkoshi gaunpalika and Khotang district in the east and Okhaldhunga district in the west and Solu Dudhkunda municipality in the north and Okhaldhunga in the south. The headquarter of this municipality is situated in ward 3, Necha Betghari.

People living here are culturally mixed. Hindu, Kirat and Buddhist are the major religious practices. Chhetri, Brahmin, Rai, Sherpa, Tamang, Magar, Kami, Damai, Sarki and Newar are communities living here. Wheat, maize, millet, paddy are the major crops produced here. Fruits like jack fruit, papaya, mango, litchi, banana and orange produced here.

The Chairperson and Vice chairperson this rural municipality are Duph Kumar Bastola and Kumari Devi Sharma respectively.