All India Services (Group A)
- Indian Administrative Service (IAS)
- Indian Police Service (IPS)
- Indian Forest Service (IFoS)
Central Services (Group A)
- Indian Audit and Accounts Service (IA&AS)
- Indian Civil Accounts Service (ICAS)
- Indian Corporate Law Service (ICLS)
- Indian Defence Accounts Service (IDAS)
- Indian Defence Estates Service (IDES)
- Indian Foreign Service (IFS)
- Indian Information Service (IIS)
- Indian Ordnance Factories Service (IOFS)
- Indian Post & Telecommunication Accounts and Finance Service (IP&TAFS)
- Indian Postal Service (IPoS)
- Indian Railway Accounts Service (IRAS)
- Indian Railway Personnel Service (IRPS)
- Indian Railway Traffic Service (IRTS)
- Indian Revenue Service (IRS-IT)
- Indian Revenue Service (IRS-C&CE)
- Indian Trade Service (ITrS)
- Railway Protection Force (RPF)