The details of Manpower of PHPA-I as on 01.08.2024
| Nationality | Deputation | Contract | Total |
| Bhutanese | 2 | 380 | 382 |
| Indian | 5 | 31 | 36 |
| Total | 7 | 411 | 418 |
17 Bhutanese & 08 Indians are Executive Engineer level and above (Including Management)
The details of Manpower of PHPA-I as on 01.08.2024
| Nationality | Deputation | Contract | Total |
| Bhutanese | 2 | 380 | 382 |
| Indian | 5 | 31 | 36 |
| Total | 7 | 411 | 418 |
17 Bhutanese & 08 Indians are Executive Engineer level and above (Including Management)