- District-wise Number of Trade Unions under Trade Union Act, 1926 in Haryana (As on 31.12.2009)
- District-wise Number of Trade Unions under Trade Union Act, 1926 in Haryana (As on 31.12.2008)
- District-wise Number of Trade Unions under Trade Union Act, 1926 in Haryana (2007)
- District-wise Number of Trade Unions under Trade Union Act, 1926 in Haryana (2006)