Prakash Man Singh

In the 12th General convention of the Party held on September 22, 2010, Singh was elected as General Secretary of the Party defeating rival candidate Bimalendra Nidhi from Deuba Camp.

In 2008, he won the Kathmandu-1 seat in the Constituent Assembly election, being the first candidate to be declared a winner. Singh obtained 14318 votes.

Singh was removed from his ministerial position when King Gyanendra grabbed power in February 2005. In February 2005, Singh was arrested for two weeks. Singh was again arrested on April 21, 2005, after refusing to appear for a hearing of the Royal Commission for Corruption Control. Singh, along with Sher Bahadur Deuba, were accused by the RCCC of involvement in a case of corruption relating to the Melamchi Drinking Water Project. Singh had refused to appear in front of the RCCC, as he considering the institution as unconstitutional. In July 2005, Singh and Deuba were sentenced to 2 year in jail and a fine of 90 million rupees. Singh was released from jail on February 13, 2006, as the Supreme Court of Nepal ordered the dissolution of the RCCC.

Singh was Minister for Population and Environment in Sher Bahadur Deuba's cabinet formed in 1996. He later became Minister for Supplies in Krishna Prasad Bhattarai's cabinet.

In the 1994 parliamentary election, he contested the Kathmandu-3 constituency. Singh got 33.77% of the votes in the constituency, but was defeated by the CPN(UML) candidate Manmohan Adhikari.

Singh contested the Kathmandu-4 constituency in the 1991 parliamentary election. Singh got 36.13% of the votes in the constituency, but was defeated by Sahana Pradhan of the Communist Party of Nepal (United Marxist-Leninist) (CPN(UML)).