I) All India Services
1. Indian Administrative Service (IAS)
2. Indian Police Service (IPS)
3. Indian Forest Service (IFoS)
II) Group 'A' Services
1. Indian Foreign Service (IFS)
2. Indian Revenue Service (IRS)
3. Indian Corporate Law Service (ICLS)
4. Indian Trade Service (ITS)
5. Indian Audit and Accounts Service (IA&AS)
6. Indian Civil Accounts Service (ICAS)
7. Indian Railway Accounts Service (IRAS)
8. Indian Defense Accounts Service (IDAS)
9. Indian Post and Telecommunication Accounts and Finance Service (IP&TAFS)
10. Indian Postal Service (IPoS)
11. Indian Information Service (IIS)
12. Indian Ordnance Factories Service (IOFS)
13. Indian Defence Estates Service (IDES)
14. Indian Railway Traffic Service (IRTS)
15. Indian Railway Personnel Service (IRPS)
16. Indian Railway Protection Force (Assistant Security Commissioner)
III) Group 'B' Services
1. Armed Forces Headquarters Civil Service (AFHQCS)
2. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service (DANICS)
3. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Police Service (DANIPS)
4. Pondicherry Civil Service
5. Pondicherry Police Service