| comptroller | 1 | |
| computer assistant | 8 | |
| computer designer executive | 8 | |
| computer operator | 203 | |
| computer programmer | 21 | |
| computer science | 16 | |
| computer teacher | 2 | |
| conductor | 2930 | |
| confidential assistant | 17 | |
| conservancy inspector | 2 | |
| conservation assistant | 19 | |
| constable | 808 | |
| consultant | 773 | |
| content developer | 9 | |
| continuing airworthiness manager | 1 | |
| contract manager | 1 | |
| contract purchase officer | 1 | |
| contractual helper | 1 | |
| contractual specialist | 5 | |
| contractual teacher | 1 | |
| controller | 2 | |
| controller of examination | 11 | |
| controller of finance | 3 | |
| controller of stationery | 2 | |
| cook | 309 | |