LIST OF OFFICERS SERVING IN THE GOVERNMENT OF SIKKIM
1 Indian Administrative Service
2 Indian Police Service*
3 Indian Forest Service*
4 State Civil Service
5 Sikkim Finance and Accounts Service * 
6 Civil Engineers Service
7 Electrical Engineers Service
8 Mechanical Engineers Service*
9 Sikkim Forest Service *
10 Mines and Geology Service *
11 Statistical Service
12 Agriculture Service
13 Education Service*
14 Doctors * 
15 Sikkim Directorate and Miscellaneous Services
16 Cooperative Service*
17 Animal Husbandry and Veterinary Service*
18 Sikkim Police Service*
19 Sikkim Nursing Service
20 Sikkim Para Medical Service
21 Sikkim State Information Technology Service*
22 Sikkim State Private Secretary to HM under the Directorate & Miscellaneous Service
23 Sikkim State Land Revenue Service
24 Sikkim State Weights & Measure Service
25 Sikkim State Agriculture Engineering Service
26 Sikkim State Architecture Service
27 Sikkim State Excise Service*
28 Sikkim State Feed & Fodder Service
29 Sikkim State Fisheries Service
30 Sikkim State Handicraft & Handloom Service
31 Sikkim State Science & Technology Service
32 Sikkim State Labour Service*
33 Sikkim State Legal Service*
34 Sikkim State Stenographers Service
35 Officers other than Organized Service