The seating of the assembly is at Chandigarh, the capital of the state.

There are 90 seats in the house filled by direct election using a single-member First-past-the-post voting system.

[2] Highest number of seats ever won was in 1977 when Janata Party won 75 out of 90 seats when in the aftermath of 1975–77 emergency by Indian National Congress's (INC) Indira Gandhi.

[4][5] The Mewat region, remotely to the rest of Haryana since its formation, has been dominated by three major political dynasts (Tayyab Husain, Rahim Khan, Khurshid Ahmed).

[6] The infamous Aaya Ram Gaya Ram politics, named after Gaya Lal in 1967, of frequent floor-crossing, turncoating, switching parties and political horse trading within short span of time became associated with Haryana.