As you requires I am here giving you list of the Polytechnic Colleges of Tamil Nadu approved by All India Council for Technical Education (AICTE).

List of Polytechnic Colleges of Tamil Nadu approved by AICTE:

Dhanalakshmi Srinivasan Polytechnic College
D.P.C Polytechnic College
Dusi Polytechnic College
R.M.G.R. Polytechnic College
Don Bosco Polytechnic College
Dhivya Polytechnic College
Don Bosco Polytechnic College
Dr B R Ambedkar Polytechnic College
Devangar Polytechnic College
Dr Dharmambal Government Polytechnic College for Women
Dharmapuri Dist Coop Sugar Mills Poly College

List of Engineering Colleges in Tamil Nadu approved by AICTE
Aarupadai Veedu Institute of Technology (AVIT)
Academy of Maritime Education & Training (AMET University)
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)
Alpha College of Engineering
Amrita School of Engineering
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
Apollo Engineering College
Chennai School of Ship Management
Cosmopolitian Technology of Maritime
Dr MGR Education & Research Institute (MGR University)
Thiagarajar College of Engineering
Velammal Engineering College
Dr Sivanthi Aditanar College of Engineering (DRSACOE)
Sardar Raja College of Engineering
SSN College of Engineering