| Sl. No. | Name | From (Date) | To (Date) |
| 1. | Shri P.T. Gyamtso, IAS | 01.02.2000 | 30.04.2000 |
| 2. | Shri R. S. Basnet, IAS | 01.05.2000 | 23.04.2003 |
| 3. | Shri M. G. Kiran, IAS | 24.04.2003 | 22.01.2009 |
| 4. | Shri S. K. Gautam, SCS | 24.01.2009 | 09.06.2009 |
| 5. | Shri R. P. Chingapa, SCS | 10.06.2009 | 31.05.2010 |
| 6. | Smt Nim Yethenpa, IAS | 25.06.2010 | 17.11.2010 |
| 7. | Shri K. K. Pradhan, IAS | 18.11.2010 | 29.09.2013 |
| 8. | Shri Rajesh Verma, SSITS | 30. 9.2013 | 31.10.2014 |
| 9. | Shri M. G. Kiran, IAS | 01.11.2014 | 17.02.2016 |
| 10. | Shri Govind Mohan, IAS | 22.02.2016 | 10.08.2017 |
| 11. | Shri V. B. Pathak, IAS | 11.08.2017 | 26.09.2017 |
| 12. | Dr Kumar Bhandari | 27.09.2017 | 28.12.2017 |
| 13. | Shri V.B. Pathak, IAS | 03.01.2018 | 10.07.2019 |
| 14. | Shri Shital Pd. Pradhan | 11.07.2019 | 01.08.2019 |
| 15. | Smt Sherap Shenga, IAS | 02.08.2019 | 06.06.2020 |
| 16. | Smt Mrinalini Shrivastava, IPS | 07.06.2020 | 24.08.2020 |
| 17. | Shri G. P. Upadhyaya, IAS | 25.08.2020 | 04.11.2020 |
| 18. | Shri Raj Kumar Yadav, IAS | 05.11.2020 | 07.11.2021 |
| 19. | Shri Yogendra Sharma | 08.11.2021 | 29.02.2024 |
| 20. | Shri Tenzing T. Kaleon, SCS | 01.03.2024 | Till Date |