Head of Departments
| Departments | Name | Designation |
|---|---|---|
| Government of Sikkim | Mr. Vijay Bhushan Pathak, (IAS Retd.) | Chief Administrator-cum-Cabinet Secretary |
| Government of Sikkim | Mr. Ravindra Telang, IAS | Chief Secretary |
| Home Department | Mr. Ravindra Telang, IAS | Chief Secretary |
| Tourism & Civil Aviation Department | Mr. C. S. Rao, IFS | Additional Chief Secretary |
| Sikkim Police | Mr. Akshay Sachdeva, IPS | Director General of Police |
| Election Department (Office of Chief Electoral Officer) | Mr. Prabhakar, IAS | Chief Electoral Officer |
| Chief Minister's Office | Mr. S. D. Dhakal, IAS | Principal Secretary |
| Science & Technology Department | Mr. Sandeep Tambe, IFS | Principal Secretary |
| Education Department | Mr. Sandeep Tambe, IFS | Principal Secretary |
| Transport Department | Mr. Prabhakar, IAS | Commissioner cum Secretary |
| Urban Development Department | Mr. Jitendra Singh Raje, IAS | Commissioner cum Secretary |
| Women, Child, Senior Citizen and Divyangjan Welfare Department | Mr. Raj Kumar Yadav, IAS | Commissioner-cum-Secretary |
| Raj Bhavan | Mr. Jitendra Singh Raje, IAS | Commissioner-cum-Secretary |
| Forest & Environment Department | Mr. Pradeep Kumar, IFS | Secretary cum PCCF |
| Education Department | Ms. Tenzing Kizom, IAS | Secretary (Higher Education) |
| Agriculture Department | Mr. Jigmee Dorjee Bhutia, IAS | Secretary |
| Health & Family Welfare Department | Mr. Tshewang Gyachho Bhutia, IAS | Secretary |
| Land Revenue & Disaster Management Department | Mr. Rinzing Chewang Bhutia, IAS | Secretary |
| Home Department | Mr. Tenzing T. Kaleon, SCS | Secretary |
| Skill Development Department | Mrs. Tashi Cho Cho, IAS | Secretary |
| Sikkim Legislative Assembly | Mr. Lalit Kumar Gurung | Secretary |
| Law Department | Mr. Suraj Chettri | L.R.-cum-Secretary |
| Department Of Personnel | Mr. Rinzing Chewang Bhutia, IAS | Secretary |
| Planning & Development Department | Mr. Mingma Tempa Sherpa, IAS | Secretary |
| Food & Civil Supplies Department | Ms. Norzing Tsering, SCS | Secretary |
| Lokayukta | Mrs. Kincho Doma Lepcha, SCS | Secretary |
| Commerce & Industries Department | Ms. Karma D. Youtso,SCS | Secretary |
| Power Department | Mr. T. T. Lepcha | PCE-cum-Secretary (IPPs) |
| Directorate Of Economics, Statistics & Monitoring And Evaluation (D.E.S.M.E) | Mrs. Devika Rani Sharma Chettri | Director General |
| Transport Department | Mr. Manish Pradhan | PCE cum Secretary |
| Excise Department | Mrs. Yishey Doma Yongda, SCS | Secretary |
| Roads & Bridges Department | Mr. A.B. Subba | PCE-cum-Secretary |
| Finance Department | Mr. M.C.P. Pradhan | Controller of Accounts-cum-Secretary |
| Tourism & Civil Aviation Department | Mrs. Hondala Gyaltsen, SCS | Secretary |
| Tourism & Civil Aviation Department | Mr. Prakash Chettri | Secretary |
| Urban Development Department | Mrs. Yogeeta Rai | PCA-cum-Secretary |
| Ecclesiastical Department | Mrs. Kesang Diki Rechung, IAS | Secretary |
| Social Welfare Department | Mrs. Sarika Pradhan, SCS | Secretary |
| Information Technology Department | Mr. Bimal Rai, SCS | Secretary |
| Education Department | Mr. Tashi Chophel Lepcha, SCS | Secretary (School Education) |
| Cooperation Department | Mrs. Jabi Thapa | Principal Registrar cum Secretary |
| Culture Department | Mr. Basant Kr. Lama,SCS | Secretary |
| Commission for Other Backward Classes | Mrs. Jyotsna Mary Karthak, SCS | Secretary |
| Administrative Reforms Commission | Mrs Suchitra Rasaily, SCS | Secretary |
| Chief Minister's Office | Mr. Karma Namgyal Bhutia | Secretary |
| Sikkim State Electricity Regulatory Commission | Ms. Gloria Namchu, SCS | Secretary |
| Sikkim Housing and Development Board | Mr. Rajesh Pradhan | Secretary |
| Fisheries Department | Ms Roshni Rai, SCS | Secretary |
| Women, Child, Senior Citizen and Divyangjan Welfare Department | Ms. Normit Lepcha | Principal Director-cum-Secretary |
| Labour Department | Mr. Bhim Bdr. Thatal, SCS | Secretary |
| Printing & Stationery Department | Mr. A.B. Karki, SCS | Secretary |
| State Election Commission | Ms. Gloria Namchu, SCS | Secretary |
| Sikkim Information Commission | Mrs. Jyotsna Mary Karthak, SCS | Secretary |
| Mines & Geology Department | Mrs. Dicky Yangzom, SCS | Secretary |
| Sikkim Public Service Comission | Mrs. Deepa Rani Thapa, SCS | Secretary |
| Water Resources Department | Mr. Lhendup D. Lamtha | PCE-cum-Secretary |
| Rural Development Department | Mr. Anil Raj Rai, IAS | Secretary |
| Rural Development Department | Mr. Dushyant Pariyar, SCS | Secretary (Panchayat) |
| Horticulture Department | Mr. Tilak Gajmer | Principal Director cum Secretary |
| Home Department | Mrs. Benu Gurung | Secretary (Protocol) |
| Animal Husbandry & Veterinary Services Department | Dr. Sharman Rai | Principal Director cum Secretary |
| Buildings & Housing Department | Mrs. Asha Gurung | PCE-cum-Secretary |
| Sports & Youth Affairs Department | Ms. Yangchen D. Tamang | Secretary |
| Power Department | Mr. Bikash Deokota | PCE-cum-Secretary |
| Information & Public Relations Department | Ms. Annapurna Alley, SCS | Secretary |
| Public Health Engineering Department | Mr. Chetraj Mishra | PCE-cum-Secretary |
| Administrative Training Institute | Mr. Mahesh Sharma, SCS | Director |