1. Indian Administrative Service (IAS)
2. Indian Foreign Service (IFS)
3. Indian Revenue Service (Customs & Central Excise,Gr. ‘A’)
4. Indian P&T Accounts & Finance Service,Gr. ‘A’
5. Indian Defence Accounts Service, Gr. ‘A’
6. Indian Revenue Service (I.T.),Gr. ‘A’
7. Indian Ordnance Factories Service, Gr. ‘A’
8. Indian Audit & Accounts Service, Gr. ‘A’
9. Indian Postal Service, Gr. ‘A.
10. Indian Civil Accounts Service, Gr. ‘A’
11. Indian Railway Accounts Service, Gr. ‘A’
12. Indian Railway Personnel Service, Gr. ‘A’
13. Indian Railways Traffic Service Gr. ‘A’
14. Indian Defence Estates Service Gr. ‘A’
15. Indian Information Service, Gr. ‘A’
16. Indian Trade Service Gr. ‘A’
17. Indian Corporate Law Service
18. Armed Forces Headquarters Civil Service, Gr.’B’ (Section Officers’ Grade)
19. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service, Gr. ‘B’
20. Pondicherry Civil Service, (Group B)
