CSTI headed by a District Revenue Officer Cadre Principal and the following numbers of Administrative and Academic staffs are working in CSTI.
| Service / Cadre | No.of Staffs |
| Tamil Nadu Civil Service | 1 |
| Tamil Nadu Subordinate Service | 4 |
| Tamil Nadu Ministerial Service | 7 |
| Tamil Nadu General Subordinate Service | 6 |
| Tamil Nadu Basic Service | 10 |
| Special Time scale Servants | 5 |
| Daily wages Servants | 14 |
| Total | 47 |
| Cadre | Regular | Honorarium | Total |
| Deputy Collectors | 5 | 4 | 9 |
| Accounts Officers | 5 | 4 | 9 |
| Assistant Directors (RD) | 2 | 2 | 4 |
| Computer Lecturers | 2 | 1 | 3 |
| Physical Education Trainers | 1 | 2 | 3 |
| Total | 15 | 13 | 28 |
