All India Services

• Indian Administrative Service (IAS)
• Indian Police Service (IPS)
• Indian Forest Service (IFS)

Central Civil Services - Group "A"

• Armed Forces Headquarters Civil Service
• Border Roads Engineering Service
• Central Information Service
• Corporate law services
• Company Law Board Service
• Central Power Engineering Service
• Central Electrical & Mechanical Engineering Service
• Central Water Engineering Service(Civil)
• Central Water Engineering Service(Mechanical)
• Central Engineering Service
• Central Engineering Service(Roads)
• Central Health Service
• Central Legal Service
• Central Labour Service
• Central Trade Service
• Defense Lands and Cantonment Service
• Defence Quality Assurance Service
• Defence Research & Development Service
• Defence Aeronautical Quality Assurance Service
• Indian Foreign Service (IFS)
• Indian Postal Service
• Indian Civil Accounts Service (ICAS)
• Indian Railway Service of Mechanical Engineers
• Indian Railway Service of Electrical Engineers
• Indian Railway Service of Engineers
• Indian Railway Service of Signal Engineers
• Indian Railway Stores Service
• Indian Telecommunication Service
• Indian Revenue Service (IRS) - Income Tax
• Indian Revenue Service (IRS) - Customs & Central Excise
• Indian Audits & Accounts Service (IA&AS)
• Indian Defence Accounts Service (IDAS)
• Indian Defence Estate Service (IDES)
• Indian Economic Service(IES)
• Indian Ordnance Factory Services (IOFS)
• Indian Post & Telecommunication Accounts and Finance Service (IP&TAFS)
• Indian Railway Accounts Service (IRAS)
• Indian Railway Traffic Service (IRTS)
• Indian Information Service (IIS)
• Indian Railway Personnel Service (IRPS)
• Indian Naval Armament Service
• Indian Supply Service
• Indian Inspection Service
• Indian Salt Service
• Indian Broadcasting(Engs) Service
• Indian Ordnance Factories Health Service
• Indian Economic Service
• Indian Statistical Service
• Indian Cost Accounts Service
• Indian Defence Service of Engineers
• Indian Broadcasting(Programme) Service
• Military Engineering Service
• Military Engineers Service of Architects
• Military Engineers Service of Surveyors
• Overseas Communication Service
• P&T Building Works Service
• Railways Protection Force (RPF)
• Railway Medical Service
• Railway Board Secretariat Service
• Survey of India Service

Central Civil Services - Group "B"

• Defence Secretariat Service
• Union Territories Administrative Service
• Union Territories Police Service

State Services

• State Civil/Administrative Service
• State Police Service
• State Forest Service
• Public Works Department