Dr. Raghuvansh Prasad Singh is a member of 14th Lok Sabha of India representing the Vaishali constituency of Bihar. He is a member of Rashtriya Janata Dal. Presently in the 14th Lok Sabha he serves as the cabinet minister in Ministry of Rural Development. He is associated with socialist movement; Teachers` movement; Farmers` movement; and with activities relating to nation building. And for that reason he was imprisoned several time, during the socialist movement, Lok Nayak Jayaprakash Narayan movement and several other political agitations.

Dr. Raghuvansh Prasad Singh was born on 6th June 1946 to father Shri Ram Vriksha Singh and mother Late Smt. Janki Devi at Shahpur, Distt. Vaishali (Bihar). He was Educated at Rajendra College, L.S. College and Bihar University, Muzaffarpur, Bihar and consequently obtained M.Sc., Ph.D. in Maths. He is married to Kiran Singh and the couple has 2 sons and 1 daughter.

This noted parliamentarian held many positions throughout his political career that are:
Secretary, Samyukta Socialist Party (S.S.P.), and Distt. Sitamarhi (1973-77), Member, Bihar Legislative Assembly (1977-90), Minister of State, Power, Government of Bihar (1977-79) , Member, Committee on Questions and Calling Attention( 1979-80) , President, Lok Dal, District Sitamarhi( 1980-85) , Member, Central Parliamentary Board, Lok Dal ( 1985-89) , Member, Public Accounts Committee ( 1985-90) , Member, Pratyayukta Samiti ( 1987-90) , Chairman, Library Committee( 1989-90) , Deputy Speaker, Bihar Legislative Assembly ( 1990) , Member, Bihar Legislative Council( 1991-95) , Deputy Leader, Bihar Legislative Council ( 1991-94) , Chairman, Bihar Legislative Council ( 1994-95) , Minister, Energy, Relief, Rehabilitation and Department of Official Languages, Government of Bihar ( 1995-96) , Elected to 11th Lok Sabha ( 1996) , Union Minister of State, Animal Husbandry and Dairying (Independent Charge) ( 1996-97) , Union Minister of State, Food and Consumer Affairs (Independent Charge)( 1997-98) , Re-elected to 12th Lok Sabha (2nd term) ( 1998) , Chairman, Committee on Food, Civil Supplies and Public Distribution; and its Sub-Committees on Department of Food and Civil Supplies; Department of Sugar and Edible Oils; Department of Consumer Affairs; and Department of Coordination ( 1998-99) , Member, General Purposes Committee, Member, Committee on Members of Parliament Local Area Development Scheme, Member, Consultative Committee, Ministry of Agriculture, Re-elected to 13th Lok Sabha (3rd term)( 1999) , Leader, Rashtriya Janata Dal Parliamentary Party, Lok Sabha ( 1999-2000) , Member, Committee on Home Affairs, Member, General Purposes Committee( 1999-2004) , Re-elected to 14th Lok Sabha( 4th term)( 2004) , Union Cabinet Minister, Rural Development( 23 May 2004 -onwards).