Established in 2007, Health and Development Society Nepal (HDSN) is a non-profit, non governmental Social Development Organization. Registered under the Society Registration Act 1977 with the Chief District Officer's Office, Lalitpur and affiliated with Social Welfare Council HDSN has been formed to take over and continue the work of United Mission to Nepal Oral Health Programme (UMN OHP). It aims to provide quality oral health services, integrate oral health in general health and also engage in development initiatives with focus on oral health.