| Category | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Research - I (Dir: - Sc. 'B') | 150 | 148 | 144 | 139 | 142 | 136 | 125 | 119 | 137 | 127 | 119 |
| Research - IA (SSO & SSA) Scientific Support (SA & JSA) |
19 | 17 | 15 | 15 | 14 | 14 | 12 | 10 | 14 | 14 | 13 |
| Technical | 7 | 6 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 1 |
| Administrative | 39 | 40 | 37 | 36 | 34 | 37 | 36 | 32 | 36 | 36 | 34 |
| Non-Technical Maintenance | 22 | 20 | 18 | 15 | 10 | 10 | 9 | 8 | 10 | 9 | 9 |
| Total | 237 | 231 | 219 | 209 | 204 | 201 | 185 | 172 | 200 | 188 | 176 |
