- Number of Polytechnics in Namakkal District of Tamil Nadu (2021-2022)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2020-2021)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2020-2021)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2019-2020)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2018-2019)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2018-2019)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2017-2018)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2017-2018)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2016-2017)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2016-2017)
- Number of Government Institutional (Polytechnic / I.T.I.) Hostels for Adi Dravidars and Their Students Strength by Sex in Namakkal District of Tamil Nadu (2014-2015)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2014-2015)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2014-2015)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2013-2014)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2013-2014)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2008-2009)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2008-2009)
- Number of Polytechnics in Namakkal District of Tamil Nadu (2007-2008)
- Number of Engineering Colleges in Namakkal District of Tamil Nadu (2007-2008)