The year 1996, Naz Foundation International, a UK based international charity and community-based organization, led by Shivananda Khan identified some key community representatives, commissioned a study on the sexual and reproductive health needs of gender and sexual minority (GSM) communities in Bangladesh. The study was conducted in Dhaka during October 1996 – March 1997 with funding support by the Ford Foundation. Bandhu Social Welfare Society (Bandhu) is formally registered with Ministry of Social welfare and NGO Affairs Bureau since July 1997. All activities of the organization are in line with the guidance provided by the Ministry of Health and Family Welfare (MOHFW) and Ministry of Social Welfare (MOSW) of the Government of Bangladesh.

Bandhu implements essential Sexual Heath and Reproductive Health and Rights (SRHR) activities including HIV intervention, legal support, capacity building and policy advocacy with an aim to bring positive changes in the lives of thousands of community members by addressing the social, religious, cultural and legal impediments in terms of their rights and freedom.