Polytechnic Colleges in Tamil Nadu
353 polytechnic institutions in Tamil Nadu hold a current approval from AICTE. They are spread across 39 districts, with the largest concentration in Thiruvallur (20). Between them they list 12 approved courses.
AICTE approved institutions, academic year 2026-27. Checked 1 September 2026.
Statistics for this listing
- 2022–2023: 475
- 2023–2024: 465
- 2024–2025: 446
- 2025–2026: 421
- 2026–2027: 398
Approved institutions fell 16% between 2022–2023 and 2026–2027. Counted from the AICTE approved list published for each year.
- 2022–2023: 172,680
- 2023–2024: 167,238
- 2024–2025: 157,447
- 2025–2026: 148,350
- 2026–2027: 140,806
Approved seats fell 18% over the same period. Approved seats are the maximum the regulator permits an institution to admit. They are not a count of students enrolled, and say nothing about employment after graduating.
- Thiruvallur: 20
- Coimbatore: 19
- Salem: 16
- Tirunelveli: 16
- Cuddalore: 15
- Dharmapuri: 15
- Tiruchirappalli: 15
- Kancheepuram: 14
- Kanniyakumari: 14
- Pudukkottai: 14
Top 10 districts by number of approved institutions.
- Private: 278
- Government: 40
- Government Aided: 33
- Deemed University: 2
Ownership as classified by the approving body.
- MECHANICAL: 335
- ELECTRICAL & ELECTRONICS: 323
- CIVIL: 282
- COMPUTER: 223
- ELECTRONICS & COMMUNICATION: 198
- AUTOMOBILE: 130
- ELECTRONICS & COMMUNICATIONS: 89
- ARTIFICIAL INTELLIGENCE (AI) & MACHINE LEARNING: 40
Institutions approved for each course. One institution may be approved for several.
- Mechanical: 37,780 (55,171 earlier)
- Electrical & Electronics: 25,663 (30,845 earlier)
- Civil: 15,075 (22,342 earlier)
- Computer: 14,006 (14,122 earlier)
- Electronics & Communication: 11,576 (15,362 earlier)
- Automobile: 6,062 (8,597 earlier)
- Electronics & Communications: 4,370 (5,450 earlier)
- Artificial Intelligence (Ai) & Machine Learning: 2,070 (180 earlier)
Approved seats in 2026–2027, with 2022–2023 shown behind for comparison. Approved seats are the maximum the regulator permits, not a count of students enrolled.
Frequently asked questions
How many polytechnic colleges are there in Tamil Nadu?
353 polytechnic institutions in Tamil Nadu hold a current approval from AICTE. AICTE approved institutions, academic year 2026-27. Checked 1 September 2026.
Where can I find the full list of AICTE-approved polytechnic colleges in Tamil Nadu?
This page is that list. Every institution shown holds a current approval from AICTE, with its district and approved courses. Applications are made on each institution's own website, not here.
How many seats do polytechnic colleges in Tamil Nadu have?
146,176 approved seats across 353 institutions, as published by the regulator. Intake is counted only where the approving body states it.
Which district in Tamil Nadu has the most polytechnic colleges?
Thiruvallur, with 20 of the 353 institutions listed here.
What courses do polytechnic colleges in Tamil Nadu offer?
The most widely approved are MECHANICAL ENGINEERING (335), ELECTRICAL AND ELECTRONICS ENGINEERING (323), CIVIL ENGINEERING (282), COMPUTER ENGINEERING (223), ELECTRONICS & COMMUNICATION ENGG (198), AUTOMOBILE ENGINEERING (130). Each figure is the number of institutions approved for that course.
How many polytechnic colleges in Tamil Nadu are government and how many are private?
Of the 353 institutions listed: 278 private, 40 government, 33 government aided, 2 deemed university. Ownership is taken from the regulator's own classification.
Where does this list come from?
AICTE approved institutions, academic year 2026-27. Checked 1 September 2026. This screener publishes only what the approving body publishes, and shows when each list was last checked. It does not rank institutions or estimate fees. Applications are made on each institution's own website.