Tamil Nadu at a glance
- Active academic study centres: 300
- Districts with a centre: 33
- Seats shown free on 23 September 2026: 98025
- Offline help: government service centres here are called People’s Computer Centre (NIOS prospectus, Appendix B).
Get a free admission check for Tamil Nadu
Not sure which centre, stream or subjects are right for you? Send three details on WhatsApp — the class you want, your last exam and your district. Riyanka, our admission counsellor, will reply with your route, the documents you need and the next deadline. The first check is free; you decide after that.
Paid help, if you want it: Admission Guidance ₹6,970 · Admission + Study Support ₹13,990. Official NIOS fees are separate and paid on the NIOS portal. We never ask for your portal password or OTP.
District-wise NIOS study centres in Tamil Nadu
| District | Active centres | Class 12 centres | Science practicals | Free seats today |
|---|---|---|---|---|
| Chennai | 54 | 37 | 34 | 15213 |
| Kancheepuram | 42 | 29 | 24 | 12993 |
| Tiruppur | 24 | 15 | 14 | 8845 |
| Coimbatore | 23 | 15 | 17 | 8224 |
| Krishnagiri | 16 | 9 | 9 | 3452 |
| Thiruvallur | 15 | 13 | 13 | 5728 |
| Vellore | 14 | 9 | 8 | 5378 |
| Erode | 10 | 8 | 7 | 3884 |
| Namakkal | 10 | 7 | 8 | 3789 |
| Madurai | 9 | 5 | 5 | 2930 |
| Thanjavur | 9 | 7 | 5 | 2815 |
| The Nilgiris | 8 | 4 | 5 | 2744 |
| Tiruchirappalli | 7 | 4 | 4 | 2378 |
| Sivaganga | 6 | 3 | 4 | 2165 |
| Karur | 5 | 4 | 4 | 1740 |
| Thirunelveli | 5 | 5 | 3 | 1541 |
| Viluppuram | 5 | 4 | 4 | 1581 |
| Salem | 4 | 2 | 2 | 610 |
| Kanyakumari | 4 | 2 | 2 | 1031 |
| Perambalur | 4 | 4 | 4 | 1292 |
| Cuddalore | 4 | 4 | 4 | 1619 |
| Dindigul | 3 | 3 | 3 | 1014 |
| Thoothukkudi | 2 | 1 | 1 | 892 |
| Nagapattinam | 2 | 1 | 1 | 792 |
| Pudukkottai | 2 | 2 | 2 | 971 |
| Tiruvannamalai | 2 | 2 | 2 | 777 |
| Dharmapuri | 2 | 0 | 0 | 996 |
| Thiruvarur | 2 | 1 | 1 | 926 |
| Ramanathapuram | 2 | 0 | 0 | 294 |
| Ranipet | 2 | 2 | 2 | 295 |
| Virudhunagar | 1 | 1 | 1 | 491 |
| Theni | 1 | 1 | 1 | 486 |
| Chengalpattu | 1 | 1 | 0 | 139 |
Select a district to see every centre with its AI code, locality, PIN, courses, medium and seats.
NIOS Regional Centre for Tamil Nadu
CHENNAI
Lady Willington Campus, Kamrajar Salai, Triplicane, Chennai-600005
Phone: 044-28442237 · Email: rcchennai@nios.ac.in
https://rcchennai.nios.ac.in/
Jurisdiction: Tamil Nadu and Puducherry. The regional centre handles admission confirmation, document queries and exam matters. Source: NIOS Academic Prospectus 2026-27, Appendix A.
Before you apply
Taking NIOS admission in Tamil Nadu?
Free first check on WhatsApp with Riyanka: route, documents and the next deadline for your case.