| Sl. No | Name | Tenure From | Tenure To |
|---|---|---|---|
| 1 | Mr.R.B.Mukhia | Not available | Not available |
| 2 | Mr. Tulsi Psd. Sharma | Not available | Not available |
| 3 | Mr. Riwan Lepcha | Not available | Not available |
| Sl. No | Name | Tenure From | Tenure To |
|---|---|---|---|
| 1 | Mr.P.K.Pradhan | Not available | Not available |
| 2 | Mr. Sonam Wangdi | Not available | Not available |
| 3 | Mingma Tshering | Not available | Not available |
| 4 | Mr.Nari Tshering, IAS | Not available | Not available |
| Sl. No | Name | Tenure From | Tenure To |
|---|---|---|---|
| 1 | Mr.R.S.Basnett,IAS | 1st April 1977 | Sep-78 |
| 2 | Mr.S.W.Tenzing,IAS | Sep-78 | Jun-80 |
| 3 | Mr.Nari Tshering,IAS | Jun-80 | Jul-82 |
| 4 | Ms. C.K. Cintury,IAS | Jul-82 | Sep-82 |
| 5 | Mr.G.K.Subba, IAS | Sep-82 | Jun-84 |
| 6 | Mrs.Rinzing Ongmu,IAS | Jun-84 | Jul-85 |
| 7 | Mr.R.S.Shrestha,IAS | Jul-85 | 22.9.1985 |
| 8 | Mr. L.B.Rai,IAS | 23.9.1985 | 28.2.1990 |
| 9 | Miss B.M.Singh,IAS | 01.03.1990 | 29.02.1992 |
| 10 | Mr.S.C.Gupta,IAS | 01.03.1992 | 29.06.1992 |
| 11 | Mr.Topzor Dorjee,SCS | 30.06.1992 | 04.05.1993 |
| 12 | Mr.G.Goperma, SCS | 05.05.1993 | 08.11.1993 |
| 13 | Mr.V.B.Pathak,IAS | 09.11.1993 | 23.11.1993 |
| 14 | Mr. S.C.Gupta, IAS | 24.11.1993 | 22.09.1994 |
| 15 | Mr.Bhagwan Shankar,IAS | 23.09.1994 | 26.09.1996 |
| 16 | Miss Upama Srivastava, IAS | 27.09.1996 | 03.12.1996 |
| 17 | Mr.S.K.Gautam,SCS | 04.12.1996 | 17.11.1997 |
| 18 | Mr.LhendupDorjee,SCS | 18.11.1997 | 02.09.2001 |
| 19 | Mr.K.Srinivasulu,IAS | 03.09.2001 | 06.04.2003 |
| 20 | Mr.Vishal Chauhan,IAS | 07.04.2003 | 31.01.2007 |
| 21 | Mr.D.Anandan,IAS | 01.02.2007 | 20.06.2009 |
| 22 | Mr.A.K.Singh,IAS | 21.06.2009 | 31.01.2013 |
| 23 | Mr.Prabhakar,IAS | 01.02.2013 | 17.11.2014 |
| 24 | Mr.Raj Kumar Yadav,IAS | 17.11.2014 | 12.04.2018 |
| 25 | Mr.Prabhakar,IAS | 16.04.2018 | 23.02.2019 |
| 26 | Mr Ragul K., IAS | 25.02.2019 | 2020 |
| 27 | Mr M. Bharani Kumaar, IAS | 2020 | 04.01.2024 |
| 28 | Ms Annapurna Alley, SCS | 04.01.2024 | 01.07.2024 |
| 29 | Ms Anupa Tamling, SCS | 01.07.2024 |