The party leader Prabodh Chandra Sinha, was a Minister of Parliamentary Affairs in the state government.
DSP has tried to contact the Socialist International, but have been denied membership on the grounds that they are a regional party.
Party's other candidate Prof. Hrishikesh Paria lost the Egra seat in East Midnapore.
In 2010 Kolkata Municipal polls, the party was allotted 2 seats to contest as a LF partner in Ward Nos.
The party believes in the ideals of Jayaprakash Narain, Ram Manohar Lohia and Narendra Dev .