The rally was organised to mark the completion of four years of the Hooda government in the present term. Hooda completed four years in office Oct 25.
Leaders at the rally claimed that the rally was the "biggest one" in India's political history.
While Kurukshetra MP and industrialist Naveen Jindal claimed that at least 12 lakh people were attending the rally, Hooda's political advisor Varinder Singh said over 14 lakh people were attending.