DBSM was formed on 20 December 1997 as a break-away from Bahujan Samaj Party (BSP) in protest to the alliance of BSP with the Indian National Congress in the state.
DBSM bildades 20 december 1997 som en utbrytning ur Bahujan Samaj Party, i protest mot BSP:s allians med Kongresspartiet i delstaten.