[1][3][4] Following the election, along with his grandnephew Dushyant Chautala, he supported the BJP to secure a majority and entered the Second Manohar Lal Khattar ministry with three portfolios: New and Renewable Energy, Power and Jails.

[5] Ranjit Singh is son of Chaudhary Devi Lal Chautala who served twice as the former Deputy Prime Minister of India.

Ranjit Singh's uncle Sahib Ram Sihag was a member of assembly in 1937 and 1946 and his father Devi Lal in Politics since 1951.

In 1990 he was elected as Member of Parliament, Rajya Sabha from Haryana and his father Ch Devi Lal was Deputy Prime Minister of India at that time.

In 2019 he contested Haryana's 14th assembly from Rania Vidhan sabha and won as Independent MLA and became the minister.