| Sl. No. | Categories | X Plan (9 Centres) |
XI Plan (11 Centres) |
XII Plan (15 centres) |
XIII Plan (14 centres; w.e.f. Oct 2017) |
| 1. | Scientific | 11 | 15 | 19 | 19 |
| 2. | Technical | 9 | 13 | 16 | 11 |
| 3. | Administrative | 5 | 5 | 5 | 1 |
| 4. | Supporting | 5 | 5 | 5 | 0 |
| Total | 30 | 38 | 45 | 31 | |
| Contractual: RA/SRF/YP1/YP2 | – | – | 2 | 25 |