Indian Railway Organisational Structure - Functional Branches

Functional Branches

The various Group A cadres are as below:

Non Technical Services recruitment though Civil Services Examination conducted by UPSC

  • IRTS - Indian Railway Traffic Service
  • IRPS - Indian Railway Personnel Service
  • IRAS - Indian Railway Accounts Service
  • RPF - Railway Protection Force

Technical Services recruitment thorough Indian Engineering Examination conducted by UPSC

  • IRSE - Indian Railway Service of (Civil) Engineers
  • IRSEE - Indian Railway Service of Electrical Engineers
  • IRSME - Indian Railway Service of Mechanical Engineers
  • IRSS - Indian Railway Stores Service
  • IRSSE - Indian Railway Service of Signal Engineers

Medical Services recruitment through Combined medical Examination conducted by UPSC

  • IRMS - Indian Railway Medical Service


A vast rail system as India's, the 3rd largest in the world, has been managed at a regional level. Indian Railways has divided itself into 16 zonal railways. Each zone, headed by a General Manager, is semi-autonomous and this creates a matrix organisation where the functional branches are under dual control viz.

  • Operational Control at Zonal level
  • Functional Policy & Guidance from the Railway Board

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