All India Services
- Indian Administrative Service
- India Foreign Service
- Indian Police Service
Group A Services
- Indian P & T Accounts & Finance Service
- Indian Audit and Accounts Service
- Indian Customs and Central Excise Service
- Indian Defence Accounts Service
- Indian Revenue Service
- Indian Ordnance Factories Service
- Indian Postal Service
- Indian Civil Accounts Service
- Indian Railway Traffic Service
- Indian Railway Accounts Service
- Indian Railway Personnel Service
- Posts of Assistant Security Officer in Railway Protection Force
- Indian Defence Estates Service
- Indian Information Service
Group - B Services
- Railway Board Secretariat Service
- Armed Forces Headquarters Civil Service
- Customs Appraisers' Service
- Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service and Police Service
- Pondicherry Civil Service