TAHZINGDONG is a non-government voluntary organization working on environment and socio-economic development in the Chittagong Hill Tracts of Bangladesh. It emerged on 15th December 1999 with the collaboration of a group of young students and energetic youth social workers through an informal consultation between them in Bandarban Hill District of Bangladesh. Bandarban is uniquely a home in the country in terms of language and cultural diversity where eleven different indigenous communities of the Chittagong Hill Tracts (CHTs) and mainstream Bengali have been living for a long.

In the beginning, TAHZINGDONG started its journey as a youth-leading organization in Bandarban Hill District of Bangladesh. Since its inception, TAHZINGDONG started its venture as a non-profit organization with a vision of creating a society where local marginalized people of the Chittagong Hill Tracts of Bangladesh live in equity and development justice by their dedicated development service where possible.

TAHZINGDONG is also a well-known organization at home and abroad for promoting and conserving community-managed natural forests in the Chittagong Hill Tracts (CHT’s) of Bangladesh. The organization is a pioneer in Bandarban Hill District that has taken the initiative to protect and preserve the Community Managed Mouza Forest/Village Common Forest (VCF) or Community Conserve Area (CCA) with the collaboration of forest-dependent communities in Bandarban Hill District. The organization emphasizes community empowerment and livelihood development initiatives to the local communities for improving their livelihood who mostly live in the remote areas. The organization has also well experienced in the areas of Disaster Risk Reduction, Nutrition, Health and Hygiene, WATSAN, climate change, Food security and distribution, GFS, livelihood development, AIG, and non-formal education since the last ten years in CHTs.