All India Services:

* Indian Administrative Service (IAS)
* Indian Police Service (IPS)
* Indian Forest Service (IFtS)

Central Services

Group A:

* Indian Foreign Service (IFS)
* Indian Railway Service
* Indian Postal Service
* Accounts and Auditing Services (including The Indian Audit and Accounts Service, The Indian Civil Accounts Service, The Indian Defence Accounts Service, The Indian Revenue Service.)
* Indian Customs and Central Excise
* Indian Ordinance Factories Service
* Indian Defence Estates Service
* Indian Revenue Service
* Indian Information Service
* Central Trade Services
* Central Industrial Security Force

Group B:

* Central Secretariat Services (Section Officer Grade)
* Railway Board Secretariat Services (Section Officer Grade)
* Armed Forces Headquarters Civil Services (Assistant Civilian Staff Officer Grade)
* Customs Appraisers’ Services
* The Delhi, Andaman and Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Services
* The Delhi, Andaman and Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Police Services
* Pondicherry Civil Services
* State Civil Services

The categories of services to which candidates are selected through the SCS examination are as under:

* State Civil Services, Class-I (SCS)
* State Police Service, Class-I (SPS).
* Block Development Officer.
* Tehsildar/Talukadar/Asstt. Collector.
* Excise and Taxation Officer.
* Distt. Employment Officer.
* Distt. Treasury Officer.
* Distt Welfare Officer.
* Asstt Registrar Cooperative Societies.
* Distt. Food and Supplies Controller/Officer.
* Any other Class-I/Class-II service notified as per rules by the concerned State.