ALL INDIA SERVICES

1. Indian Administrative Service (IAS).

2. Indian Police Service (IPS).

3. Indian Forest Service (IFoS).

CENTRAL SERVICES

4. Indian Foreign Service (IFS).

CENTRAL GROUP ‘A’ SERVICES

5. Indian Revenue Service (I.T.), Group ‘A’.

6. Indian Revenue Service (Customs and Central Excise), Group ‘A’.

7. Indian Audit and Accounts Service, Group ‘A’.

8. Indian Defence Accounts Service, Group ‘A’.

9. Indian Railway Traffic Service, Group ‘A’.

10. Indian Railway Accounts Service, Group 'A'.

11. Indian Railway Personnel Service, Group ‘A’.

12. Indian P & T Accounts & Finance Service, Group ‘A’.

13. Indian Ordnance Factories Service, Group ‘A’ (Assistant Works Manager, Administration).

14. Indian Postal Service, Group ‘A’.

15. Indian Civil Accounts Service, Group ‘A’

16. Post of Assistant Security Commissioner in Railway Protection Force, Group ‘A’.

17. Indian Defence Estates Service, Group ‘A’.

18. Indian Information Service (Junior Grade), Group ‘A’.

19. Indian Trade Service, Group 'A' (Gr. III).

20. Indian Corporate Law Service, Group "A".

CENTRAL GROUP ‘B’ SERVICES

21. Armed Forces Headquarters Civil Service, Group ‘B’ (Section Officer’s Grade).

22. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar.

23. Haveli Civil Service, Group 'B'.

24. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar

25. Haveli Police Service, Group 'B'.

26. Pondicherry Civil Service, Group 'B'.

27. Pondicherry Police Service, Group ‘B’.