Mar 2020 +1 Key All Subjects
Govenrnment Key
| Sl.No | Subjects | Tamil Medium | English Medium |
| 1 | Tamil | Download | |
| 2 | English | Download | |
| 3 | Bio-Botany | Download | Downlaod |
| 4 | Bio-Zoology | Download | Download |
| 5 | Botany | Download | Download |
| 6 | Chemistry | Download | Download |
| 7 | Commerce | Download | Download |
| 8 | Computer Scieince | Download | Download |
| 9 | Computer Science Erratam | Download | Download |
| 10 | Computer Application | Download | Download |
| 11 | Computer Technology | Download | Download |
| 13 | Business Maths | Download | Download |
| 14 | Economics | Download | Download |
| 15 | HIstory | Download | Download |
| 16 | Mathematics | Download | Download |
| 17 | Physics | Download | Download |
| 18 | Zoology | Download | Download |
| 19 | Bio-botany Erratum | Download | Download |