Born on 6 January, 1965 in Tandi village of Murahag panchayat of Seraj assembly constituency in Mandi district. His father's name was Jethu Ram and mother's name is Briku Devi. Thakur did his primary education from Kurani School and studied in High School Bagsyad near Thunag.
He completed his graduation from Vallabh Government College Mandi and did his MA from Punjab University. He is the youngest of three brothers. He has two sisters. During his college and University day he was the member of ABVP and in the year 1993 he fought his first election from Chachiot assembly constituency when he was 26 years of age.
In 1998 he won his election from Chachiot assembly constituency and has been MLA from Chachiot (which after delimitation is known as Seraj assembly constituency) since then. He is MLA for five consecutive terms. He remained State BJP President and was Cabinet Minister in previous BJP government. He has also remained as Vice Chairman, State Civil Supplies Corporation. He also remained as President of Bharatiya Janta Yuva Morcha.
He is married to Dr. Sadhna Singh from Jaipur and has two daughters.