Hello Aspirant,

As per My knowledge and Research, The Engineering Entrance Exams other than JEE which carried out for the admission of candidates into the B.E/B.Tech courses in Tamil Nadu.

• Vellore Institute of Technology Engineering Entrance Exam - Candidates who are applying for this course should have completed their class XII or its equal with atleast 60% marks in PCM or PCB.
• Tamil Nadu Professional Courses Entrance Examination - Those who are applying for this exam must have completed their standard XII exam or its equal with PCM subjects. They must have obtained a minimum of 60% marks in each paper. Candidates who have a diploma from the State Board of Mechanical Education with a minimum of 60-70 % can apply too. In the case of candidates from the backward category, a pass will suffice.
• Tamil Nadu Engineering Admissions – Candidates who wish to appear for this examination must have cleared their class 12 exams with PCM. They must have secured a minimum of 50% marks in the exam.
• Vinayaka Missions University Engineering Entrance Exam – To appear in this exam, students should have a pass in their standard 10+2 exam or its equal with PCM.  Candidates applying for the Biomedical /Biotechnology/ Bioinformatics courses must have a pass in class 12 or its equal with PCM/PCB.
• Annamalai University Engineering Entrance Exam - Candidates who are applying for this exam must have completed their Higher Secondary or equivalent examination. Those candidates who are appearing for the qualifying exam can apply too .

Hope it helps

All The Best !!!