मुन्धुम थिएटर : Mundhum Theater बहुपयोगी नाट्यघर हो । अनेकन नाट्यमञ्चनका अलावा मुराबाङ्हरु, साङ्दाङ्गेन् वारुम्सावा तथा मुन्धुमविदहरुको प्रवचनहरु आयोजना गर्ने, Mundhum Hub को रुपमा विकास गर्ने ।

| जुन संस्थाको फाउन्डर मुन्धुमविद सागर केरुङ हुन् | उनले सन् २०२३ मा स्थापना गरेको हो | यसको निर्माणधिन  भवन फिदिम नगरपालिका वडा नं. ४ सुम्हा?लुङ गडी यकमा रहेको छ |

Mundhum Nishamhim is a Mundhum School of the Gurukul system. It is an organization established with the aim of teaching and learning Yakthung language and script, studying Mundhum philosophy, and conducting trainings to explore and explain Mundhum and to create skilled manpower. The founder of the organization is Mundhum expert Sagar Kerung. He established it in 2023. Its construction building is located in Phidim Municipality Ward No. 4, Sumhalung Gadi Yak.

About Sagar Kerung : Sagar Kerung (born 1989) was born in Yangnam VDC Ward No. 5, Panchthar District, eastern Nepal to the late Aitaraj Kerung and Bishnumaya Angdembe. He is the first citizen from Nepal to go abroad to study his mother tongue. He has completed his graduation degree in Limbu language from Sikkim Alpine University. He has started his artistic journey since 2005. Sagar Kerung is also the first Drama wright of the Limbu community. He wrote a play called "Numahangma" in 2010, which was a bestseller. Since then, he has been leading the indigenous movement. He has written Numahangma - 2067, Kemaba Laje?  - 2068 (Drama, Pasibhanjyang - 2070 (Drama, Doshro Nagarik - 2073 (Drama, Saimundri - 2074 (Drama, Sakthim - 2075 (Drama Collection, Saksa Nu Penyuk - 2076 (Varna Ra Chand, Tiyaha - 2077 (Drama, Sunauli Rupauli - 2078 (Drama)) | Sagar Kerung is currently the Federal President of the Limbu Film Makers Association. He has also written and directed many famous films. Films written by Sagar Kerung are Limbu film 'Hetlukwa', Limbu film 'Pungsam', Limbu film 'Sam', Limbu short film 'Tumyahang', Limbu film 'Ke', Limbu film 'Reet', Limbu film 'Thim', Gurung short film 'Tone', Limbu film 'Amlarifung' (screenplay/dialogue, Limbu film 'Lazeren Thokla' (dialogue, Nepali film 'Jeevan' (screenplay, Tharu film 'Payal' (screenplay/dialogue, Limbu film 'Thetlang' (screenplay/dialogue, Limbu short film 'Nahen' etc.) | Films directed by Sagar Kerung are Limbu film 'Che',  He has directed Limbu films 'Pungsam', Limbu films 'K', Tharu films 'Payal', Limbu films 'Tumyahang', Gurung films 'Tone', Limbu films 'Nahen' and has also assisted in dozens of films like Phungwama, Badla, Lazeren Thokla, Bhumiputra, Amlarifung. Kerung is also a successful music video director. The Limbu and Nepali music videos he has directed are also famous. The songs he has written and the music he has composed are also widely available on YouTube and social media. Kerung is currently the Panchthar District President of the Nepal Indigenous Peoples Federation and the Central President of the Kirat Yakthung Chumlung Limbu Cultural Council. Earlier, Sagar Kerung served as the Coordinator of the Local Peace Committee Panchthar under the Ministry of Peace and Reconstruction, Government of Nepal (2068-69). He has also held high-level government positions in the district. In the film sector, he has also held the position of member of the Nepal Government Film Development Board, Indigenous Peoples Mother Tongue Film Promotion Committee (2078-79). Apart from this, Kerung has established the Yakthung Pragya Pratishthan in the Yakthung literature sector since 2078 BS and has been conducting international-level literary seminars related to Limbu literature. Sagar Kerung has his own film production company, whose name is 'Yakthung Films Pvt. Ltd.' | Which company has been established as a company that makes the most and best Limbu films. He has visited many countries including Singapore, Hong Kong, Both, Malaysia, Thailand, India, Indonesia in the fields of art, literature and ideology. Kerung is also a leader of the cushion. He has been leading the fight for the rights of Limbuwan land in eastern Nepal since 2062 BS. He has been raising his voice about the insisted land of the indigenous people of Limbuwan land.  He contested the elections for the Federal Assembly in 2074 and the Provincial Assembly in 2079. Kerung, who was established as a popular leader among the indigenous community of Eastern Limbuwan, was defeated by a small margin. During the movement, Sagar Kerung has held the positions of the party district president, the federal president of the student organization, and the federal secretary of the party. Sagar Kerung, who has dedicated his life to the upliftment of his community, is holding the position of the general secretary of the Kerung Chonung Sangjumbho, which was opened for the liberation of his Kerung community.