Border Roads Engineering Service, Group A
Botanical Survey of India, Group A
Central Architects Service, Group A
Central Engineering (Civil) Service, Group A
Geological Survey of India, Group A
Central Engineering (Electrical and Mechanical) Service, Group A
Central Engineering Service (Roads), Group A
Central Health Service, Group A
Central Information Service
Central Legal Service (Grades I)
Central Labour Service, Group A
Central Power Engineering Service, Group A
Central Revenues Chemical Service, Group A
Central Secretariat Service, Group A
Central Secretariat Official Language Service, Group A
Central Trade Service, Group A
Central Water Engineering Service, Group A
Company Law Board Service, Group A
Defence Research & Development Service,IDRS - Group A [7]
Directorate General of Civil Aviation, Group A
Directorate General of Mines Safety, Group A
General Central Service, Group A
Indian Archaeological & Heritage Service
Indian Audits and Accounts Service, Group A
Indian Broadcasting Service
Indian Corporate Law Service,Group A[8][9]
Indian Civil Accounts Service, Group A
Indian Cost Accounts Service, Group A
Indian Naval Armament Service, Group A
Indian Defense Accounts Service, Group A
Indian Defence Estates Service, Group A
Indian Defense Service of Engineers, Group A
Indian Economic Service, Group A
Indian Engineering Services, Group A
Indian Enterprise Development Service, Group A[3]
Indian Foreign Service, Group A
Indian Frontier Administrative Service, Group A
Indian Information Service, Group A
Indian Meteorological Service, Group A
Indian Ordnance Factories Service, Group A
Indian Ordnance Factories Health Service (IOFHS), Group A
Indian Postal Service, Group A
Indian Posts and Telegraphs Accounts and Finance Service, Group A
Indian Radio Regulatory Service, Group A
Indian Railway Medical Services, Group A
Indian Railway Service of Engineers, Group A
Indian Railway Service of Mechanical Engineers, Group A
Indian Railway Service of Electrical Engineers, Group A
Indian Railway Service of Signal Engineers, Group A
Indian Railway Stores Service, Group A
Indian Railway Accounts Service, Group A
Indian Railway Personnel Service, Group A
Indian Railway Traffic Service, Group A
Indian Revenue Service
Indian Salt Service, Group A
Indian Skill Development Service, Group A[1][2]
Indian Statistical Service, Group A
Indian Telecommunication Service, Group A
Indian Trade Service, Group A
Mercantile Marine Training Ship Service, Group A
Railway Protection Force, Group A
Survey of India, Group A
Telegraph Traffic Service, Group A
Zoological Survey of India, Group A