| SL No. | Name | From | To |
| 1 | Shri N. Choudhuri , ACS | 14.10.1989 | 29.05.1990 |
| 2 | Shri A . Baruah , ACS | 30.05.1990 | 30.09.1990 |
| 3 | Shri H.L. Gogoi , IAS | 01.10.1990 | 11.08,1991 |
| 4 | Shri N.B Deb , IAS | 12.08.1991 | 07.04.1992 |
| 5 | Shri J.C. Pegu , IAS | 08.04.1992 | 15.12.1994 |
| 6 | T. Hussain , ACS | 16.12.1994 | 07.02.1996 |
| 7 | Shri H. Narzari, IAS | 08.02.1996 | 07.07.1996 |
| 8 | Shri N. K. Chetia , ACS | 08.07.1996 | 05.12.1996 |
| 9 | Shri C. M. Kakoti , ACS | 06.12.1996 | 03.02.1999 |
| 10 | Shri A. S. Tewari , IAS | 04.02.1999 | 24.06.2001 |
| 11 | L. S Changsan , IAS | 25.06.2001 | 19.01.2004 |
| 12 | Sabbir Hussain , IAS | 19.01.2004 | 02.06.2007 |
| 13 | Shri A. K. Phukan , IAS | 02.06.2007 | 04.01.2010 |
| 14 | Aruna Rajoria , IAS | 04.01.2010 | 03.01.2012 |
| 15 | Shri Vishal Solanki , IAS | 09.01.2012 | 30.06.2013 |
| 16 | Shri Rakesh Kumar , IAS | 30.06.2013 | 31.08.2016 |
| 17 | Shri Hemen Das , ACS | 31.08.2016 | 03.11.2018 |
| 18 | Shri Rituraj Bora , ACS | 03.11.2018 | 26.08.2020 |
| 19 | Smt Leena Das , ACS | 26.08.2020 | 14.03.2021 |
| 20 | Smt. Seema Rekha Bhuyan , IAS | 14.03.2021 | 05.08.2021 |
| 21 | Shri Prakash Ranjan Gharphalia, IAS | 05.08.2021 | 31.08.2022 |
| 22 | Shri Devashish Sharma, IAS | 31.08.2022 |