The BJP-HJC alliance was leading in seven out of 10 Lok Sabha seats in early trends Friday.
The Bharatiya Janata Party (BJP) candidates were leading in six seat and Haryana Janhit Congress (HJC) president Kuldeep Bishnoi was leading in the Hisar seat.
The BJP led in Ambala, Karnal, Kurukshetra, Sonipat, Bhiwani-Mahendergarh and Faridabad seats.
The ruling Congress was leading on the Rohtak seat where Chief Minister Bhupinder Singh Hooda's son Deepender Hooda is the Congress candidate.
The Indian National Lok Dal (INLD) was leading on two seats of Sirsa and Gurgaon.