Head of Departments
| Departments | Name | Designation |
|---|---|---|
| Government of Sikkim | Mr. A.K. Shrivastava, IAS | Chief Secretary |
| Home Department | Mr. S.C. Gupta, IAS | Additional Chief Secretary |
| Finance, Revenue & Expenditure Department | Mr. S.C. Gupta , IAS | Additional Chief Secretary |
| Human Resource Development Department | Shri G.P.Upadhyaya, IAS | Additional Chief Secretary |
| Information Technology Department | Mr. V.B. Pathak, IAS | Additional Chief Secretary |
| Development Planning, Economic Reforms & North Eastern Council Affairs Department | Mr.V.B.Pathak, IAS | Additional Chief Secretary |
| Police Department | Mr. S.D. Negi, IPS | Director General of Police |
| Tourism & Civil Aviation Department | Dr. K. Jayakumar, IAS | Additional Chief Secretary |
| Raj Bhavan | Dr. K. Jayakumar, IAS | Additional Chief Secretary |
| Social Justice Empowerment & Welfare Department | Mr. K. Srinavasulu, IAS | Principal Secretary |
| Election Department (Office of Chief Electoral Officer) | Mr. Ravendra Telang, IAS | Chief Electoral Officer |
| Commerce & Industries Department | Mr. Thomas Chandy, IFS | Principal Secretary |
| Urban Development & Housing Department | Mr. L.B. Chettri, IAS | Secretary |
| Land Revenue & Disaster Management Department | Mrs. Ambika Pradhan, IAS | Secretary |
| Department Of Personnel, Administrative Reforms, Training & Public Grievances | Mr.Tenzing Gelek, IAS | Commissioner cum Secretary |
| Information & Public Relations Department | Smt. Sherap Shenga, SCS | Secretary |
| Labour Department | Mr. L.P.Chettri, SCS | Secretary |
| Law & Parliamentary Affairs Department | Mr. Jagat Bdr. Rai | Secretary |
| Transport Department | Mr. S.B. Subba | Secretary |
| Excise(Abkari) Department | Mr. Tshering Namgyal, SCS | Secretary |
| Food & Civil Supplies Department | Ms. Sarala Rai, IAS | Secretary |
| Forest Environment & Wildlife Management Department | Dr. M.L. Srivastava, IFS | PCCF-cum-Secretary |
| Food Security & Agriculture Development Department | Mr. Khorlo Bhutia | PD-cum-Secretary |
| Health & Family Welfare Department | Mr. Vishal Chauhan, IAS | Commissioner cum Secretary |
| Energy & Power Department | Mr. K.B. Kunwar | PCE-cum-Secretary |
| Ecclesiastical Affairs Department | Ms. Samten Dolma, IAS | Secretary |
| Sports & Youth Affairs Department | Dr. Ram Kr. Tamang | Secretary |
| Sikkim Legislative Assembly | Shri L.M. Pradhan | Secretary |
| Skill Development & Entrepreneurship Department | Miss C.C. Bhutia | Secretary |
| Printing & Stationery Department | Mr.K.P.Sharma, IAS | Secretary |
| Rural Management & Development Department | Mr.C.S. Rao, IFS | Secretary |
| Roads & Bridges Department | Mr. M. Shahid | PCE-cum-Secretary |
| Sikkim State Council of Science & Technology And Department of Science & Technology And Climate Change | Mr. Ganga D. Pradhan | Secretary |
| Horticulture & Cash Crop Development Department | Dr. D.K.Bhandari | PD-cum-Secretary |
| Water Resources & River Development Department | Mr. D.K. Rai | PCE-cum-Secretary |
| Building & Housing Department | Mr. R.B.Thapa | PCE-cum-Secretary |
| Commerce & Industries Department | Shri S.K. Pradhan, SCS | Secretary |
| Development Planning, Economic Reforms & North Eastern Council Affairs Department | Mr. Sonam Y. Lepcha, SCS | Secretary |
| Cooperation Department | Mr. H.K. Sharma, IAS | Secretary |
| Chief Minister's Office | Mr. S. D. Dhakal | Secretary |
| Animal Husbandry, Livestock, Fisheries & Veterinary Services Department | Dr. D.K. Bhandari | Secrertary |
| Home Department | Mr. Pratap Pradhan, SCS | Secretary |
| Social Justice Empowerment & Welfare Department | Mrs. Dhanjyoti Mukhia, SCS | Secretary |
| Sikkim Public Service Comission | Mrs. Deepa Rani Thapa, SCS | Secretary |
| Sikkim Information Commission | Mr. J.D. Bhutia, SCS | Secretary |
| State Election Commission | Smt. Hemanta Basnet, SCS | Secretary |
| Mines, Minerals and Geology Department | Mr. T.T. Bhutia | Secretary |
| Administrative Reforms Commission | Mrs. Tenzing Dolkara, IAS | Secretary |
| Water Security & PHE Department | Mr. Sonam Dadul | PCE-cum-Secretary |
