As you want the list of AICTE approved Engineering Colleges and Universities in Tamil Nadu so here I am providing you

AICTE approved Engineering Universities in Tamil Nadu

Dr MGR Education & Research Institute (MGR University)
Dr Sivanthi Aditanar College of Engineering (DRSACOE)
Easwari Engineering College
GKM College of Engineering and Technology
Hindustan University
JJ College of Engineering and Technology
KLN College of Engineering
Kumaraguru College of Technology (KCT)
Muthayammal Engineering College
Park College of Engineering and Technology
PET Engineering College
Sardar Raja College of Engineering
SSN College of Engineering
Thiagarajar College of Engineering
Velammal Engineering College
Aarupadai Veedu Institute of Technology (AVIT)
Academy of Maritime Education & Training (AMET University)
Alpha College of Engineering
Amrita School of Engineering
Apollo Engineering College
Arignar Anna Institute of Science and Technology (AAIST)
BS Abdur Rahman Crescent Engineering College
Balaji Institute of Engineering and Technology (BIET)
Bhajarang Engineering College
Central Institute of Plastics Engineering and Technology (CIPET)
Chennai School of Ship Management
Cosmopolitian Technology of Maritime