You are eligible for TANCET 2020 only if you clear your backlog and are able to provide your qualification certificates before the deadline. If you have completed your course and had backlogs during the course, then it won't be a problem. You are still Eligible. You must have a score of 50% or equivalent CGPA in the qualifying examination for general category. 5% relaxation is given to other category Candidates.
To know more about eligibility criteria, please check the link below:
Hope this helps!
Tamil Nadu Common Entrance Test or
is an entrance exam conducted by Anna University for admission to MTech/ MArch/ MPlan/ ME, MBA and MCA courses offered by various colleges in Tamil Nadu.