| Sl.No. | Name | Date From | Date To |
| 1. | K. D. Tripathi, IAS | 23-10-1987 | 25-07-1988 |
| 2. | O. P. Agarwal, IAS | 26-07-1988 | 21-08-1989 |
| 3. | K. K. Mittal, IAS | 22-08-1989 | 13-03-1991 |
| 4. | D. Borthakur, IAS | 14-03-1991 | 30-07-1991 |
| 5. | P. Basumatary, IAS | 31-07-1991 | 07-04-1994 |
| 6. | B. Basumatari, IAS | 07-04-1994 | 12-01-1995 |
| 7. | J. C. Pegu, IAS | 12-01-1995 | 22-09-1998 |
| 8. | Dr. Ravi Kota, IAS | 22-09-1998 | 11-10-2000 |
| 9. | M. C. Brahma, ACS | 11-10-2000 | 27-06-2001 |
| 10. | Dr. J. B. Ekka, IAS | 27-06-2001 | 06-10-2005 |
| 11. | D. K. Goswami, ACS | 07-10-2005 | 18-08-2008 |
| 12. | D. N. Mishra, IAS | 18-08-2008 | 08-11-2008 |
| 13. | H. N. Bora, IAS | 08-11-2008 | 15-11-2010 |
| 14. | N. M. Hussain, IAS | 15-11-2010 | 10-01-2012 |
| 15. | Sanjib Gohain Boruah, ACS | 10-01-2012 | 08-05-2013 |
| 16. | Smti. Julie Sonowal, IAS | 16-05-2013 | 18-09-2014 |
| 17. | Nitin Khade, IAS | 18-09-2014 | 02-03-2015 |
| 18. | Anowarul Haque, ACS | 02-03-2015 | 24-03-2016 |
| 19. | Smti. Varnali Deka, IAS | 24-03-2016 | 31-08-2016 |
| 20. | Gaurav Bothra, IAS | 31-08-2016 | 18-01-2019 |