OAS(SS) – Odisha Administrative Service (Special Secretary)
OAS(SAG) – Odisha Administrative Service (Superior Administrative Grade)
OAS(ST) – Odisha Administrative Service (Supertime Scale)
OAS Gr. A (SB) stands for Odisha Administrative Service Group-A (Senior Branch)
OAS Gr. A (JB) stands for Odisha Administrative Service Group-A (Junior Branch)
OAS, Group A – OAS, OFS, OPS
OAS, Group B – OCS, OLS, ORS, OTAS, OTS
Group A –Odisha Administrative Service, the Odisha Finance Service, and the Odisha Police Service.
Group B – Odisha Co-operative Service, Odisha Labour Service, Odisha Revenue Service, Odisha Taxation and Accounts Service, Odisha Tourism Service, etc.
