List of Services in Group B

List of Services in Group B

  • Armed Forces Headquarters Civil Services
  • Botanical Survey of India
  • Central Electrical Engineering Service
  • Central Engineering Service
  • Central Excise Service
  • Central Health Service
  • Central Power Engineering Service
  • Central Secretariat Official Language Service
  • Central Secretariat Service (Section and Assistant Section Officers Grade only)
  • Customs Appraisers Service (Principal Appraisers and Head Appraisers)
  • Customs Preventive Service (Chief Inspectors)
  • Defense Secretariat Service
  • Geological Survey of India
  • Indian Foreign Service (General Cadre, Grade I and General Cadre, Grade II only)
  • Indian Posts and Telegraphs Accounts and Finance Service, Telecommunication Wing.
  • Indian Posts & Telegraphs Accounts & Finance Service, Postal Wing
  • Income Tax Service
  • Indian Salt Service
  • India Meteorological Service
  • Survey of India
  • Postal Superintendents’ Service
  • Postmasters’ Service
  • Railway Board Secretariat Service (SO and ASO only)
  • Telecommunication Engineering Service
  • Telegraphs Traffic Service
  • Zoological Survey of India


The Group ‘B’ Services include the Central Secretariat Service (Section Officers GradE-CSS), the Railway Board Secretariat Service (Section Officers’ GradE- RBSS), the Indian Foreign Service (Section Officers’ GradE- IFS ‘B’), the Armed Forces Headquarters Civil Service (Assistant Civilian Staff Officers Grade), the Customs’ Appraisers Service, the Delhi and Andaman & Nicobar Islands Civil Service (DANICS), the Goa, Daman and Diu Police Service, Posts of Assistant Commandant, Post of Deputy Superintendents of Police in the Central Bureau of Investigation (CBI).


Though officers of the Group ‘B’ Services start off almost at par with their Group ‘A’ counterparts, yet after the fourth year they lag behind by five to seven years. This gap widens further by the 18th year when Group’A’ Officers enter the Super Time Scale. The most coveted service among the “Group B” services is the Central Secretariat Service (CSS).

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