| Instruction Course |
28-02-2026 |
| Free Paper |
31-03-2026 |
| Poster |
| Video |
| TNOA Dr. N. S. Venugopal Centenary Gold Medal – Best PG Thesis |
| Just A Minute |
| Catch 22 Situation (Challenging Videos) |
| Shark Tank (Innovations) |
| Ophthalmologists Got Talent |
| Gurus of Future (Teachers of Tomorrow) |
| Instruction Course – Selection Announcement |
15-04-2026 |
| Videos – Last Date to Upload |
| All Other Submissions – Selection Announcement |
15-05-2026 |
| TNOA Prof. E. T. Selvam Endowment Quiz |
31-05-2026 |
| Early Bird Registration Closes |
| Regular Registrations |
01-06-2026 to 15-07-2026 |
