| Sl. No. | Name | From | To |
|---|---|---|---|
| 1 | Sri Jyotirmoy Chakravarty, IAS | 25-Apr-86 | 04-Feb-88 |
| 2 | Dr. J.N. Baruah | 04-Feb-88 | 04-Apr-91 |
| 3 | Sri Jyotirmoy Chakravarty, IAS | 04-Apr-91 | 09-Nov-91 |
| 4 | Dr. Anil Kr. Goswami | 09-Nov-91 | 04-Nov-96 |
| 5 | Mrs. Sonmai Baruah, ACS | 04-Nov-96 | 25-Apr-96 |
| 6 | Dr. K.C. Deka | 25-Apr-96 | 24-Apr-99 |
| 7 | Sri Santanu Bhattacharjee, IAS | 24-Apr-99 | 04-Feb-01 |
| 8 | Mrs. Sumitra Das, ACS | 04-Feb-01 | 10-Jan-01 |
| 9 | Dr. Aswini Kr. Baruwa | 10-Jan-01 | 31-Mar-08 |
| 10 | Sri. Utpal Sarma (as Director i/c) | 04-Jan-08 | 06-Jan-08 |
| 11 | Sri Niraj Verma, IAS | 06-Jan-08 | 15-Jul-09 |
| 12 | Dr. Satyendra Kumar Choudhury | 15-Jul-09 | 29-Jun-11 |
| 13 | Sri. Utpal Sarma (In-charge) | 29-Jun-11 | 07-Jan-11 |
| 14 | Dr. Satyendra Kumar Choudhury | 07-Jan-11 | 23-Sep-11 |
| 15 | Sri. Utpal Sarma (In-charge) | 23-Sep-11 | 15-Oct-11 |
| 16 | Sri. Dilip Kr. Changmai, ACS | 15-Oct-11 | 02-Jan-12 |
| 17 | Dr. R.K. Barman, PhD (In-charge) | 02-Jan-12 | 03-Feb-12 |
| 18 | Smt. Kavyashree Mahanta, ACS | 03-Feb-12 | 03-Mar-12 |
| 19 | Sri. Haresh Ch. Dutta, ACS | 03-Mar-12 | 30-Sep-14 |
| 20 | Sri. Utpal Sarma (In-charge) | 30-Sep-14 | 17-Nov-14 |
| 21 | Mrs. Bijoy Lakhmi Baruah Gogoi | 17-Nov-14 | 27-Jul-15 |
| 22 | Dr. Arup Kumar Misra | 27/07/2015 | 26/10/2020 |
| 23 | Smt. Kimnei Changsan, ACS | 27/10/2020 | 30/11/2022 |
| 24 | Sri Sadhan Kumar Sarkar, ACS | 30/11/2022 | 04/02/2023 |
| 25 | Dr. Jaideep Baruah | 04/02/2023 | Till Date |