Son of Late Shri Guman Singh  Chauhan ( Former Minister, H.P. State Govt.);  born on 14th September, 1964 at Nahan, District Sirmour; B.A., LL.B.; educated at St. Edward's School, Shimla and H.P. University, Shimla; married to Smt. Kalpna Chauhan; one daughter; Horticulturist, Businessman and Advocate.

Associated with NSUI since College days; remained Member, College Student Central Association; General Secretary: Youth Congress, Shillai, 1986-88; ii) Distt. Congress Committee, Sirmour, 1990-96; Joint Secretary, State Congress Committee, 1997; President, D.C.C. Sirmour 2008-12, General Secretary, Congress Legislature Party, 2003-07 and ii) Himachal Pradesh Congress Committee, 2005-08 & 2013-18.

Elected to the State Legislative Assembly in 1993; re-elected in 1998, 2003 and 2007.

Remained Vice-Chairman, State General Industries Corporation, 1995-97; Member: School Education Board, Dharamshala, 1994-97; ii) Executive Council, H.P. University, Shimla, 1994-96, iii) H.P. State Youth Board, 1995-97 and iv) Senate, Y.S. Parmar, Horticulture University, Nauni (Solan).

Also Remained Chief Parliamentary Secretary, (H.P. Govt.) from 18^th April to 18^th August, 2005; Chairman: Estimates Committee, ii) General Development Committee and iii) Petitions Committee during 2005-07 & 2008-12; and Member of various other House Committees during 2005-07 & 2008-12; and Chairman (Cabinet rank) State  level Committee of Resource Mobilisation and Employment Generation 2013-17.

Re-elected to the thirteenth Vidhan Sabha (5^th term) in December, 2017; and   nominated as Member, Public Accounts, Library and Member Amenities and Privileges Committees.

Special Interests: Social service specially helping the poor and needy people.

Favourite Pastime: Reading and Music.

Languages Known: Hindi and English.