Kuldeep Bishnoi first became MLA in 1998 from Adampur, a seat from which the family has never lost since 1968. In 2004, he defeated the sons of Om Prakash Chautala and Bansi Lal - from Bhiwani in the Lok Sabha elections. Kuldeep Bishnoi founded Haryana Janhit Congress - jatin in 2007 along with his father Ch. Bhajan Lal. He founded the party after he was ousted from the Indian National Congress as he had criticised the then Haryana Chief Minister, Bhupinder Singh Hooda, for harming the interests of farmers by promoting special economic zones on fertile land. In October 2009, the party fielded candidates in 89 of the 90 constituencies for the state assembly elections and won six of those seats. Five of the six elected representatives defected and transferred their support to Indian National Congress in lieu of ministerial portfolios. He filed a case against the defectors in the court of law and won. The Punjab and Haryana High Court disqualified them as members of the Haryana Legislative Assembly. In March 2010, he and his party workers were lathi charged by the Chandigarh Police for peacefully protesting against rising inflation and unemployment, and unfair government policies for the farmers. In 2011, following the death of his father, HJC and BJP formed an alliance. The alliance was announced at a joint press conference addressed by BJP president Nitin Gadkari, party leader Sushma Swaraj, former Minister Prof. Ganeshi Lal, HJC co-founder Kuldeep Bishnoi. He won the Lok Sabha by-election, defeating Ajay Singh Chautala of the Indian National Lok Dal and Jai Prakash of the governing Indian National Congress, among others. Prakash and 38 other candidates forfeited their deposits. The elections gained attention due to their simultaneous occurrence with the Indian anti-corruption movement of 2011. In 2014, prior to the assembly elections, HJC-BJP alliance was broken off, the HJC claiming that BJP had failed to keep the alliance conditions. In 2016, after his meeting with the Congress vice-president Rahul Gandhi, Kuldeep Bishnoi merged HJC with the Indian National Congress]. He is presently a Special Invitee to the Congress Working Committee and was a campaigner for the Rajasthan Assembly elections in 2018. In 2019 assembly election he re elected from Adampur constituency defeating BJP candidate Tik Tok star Sonali Phogat nearly a margin of 20,000 votes.
