South Western Railway was created by amalgamating the reorganized Hubli division from South Central Railway with Bangalore & Mysore divisions of Southern Railway. This railway has become operational from 1st of April, 2003 with its head quarter at Hubli in the state of Karnataka.

• The zone encompasses railway routes passing through Karnataka and parts of Tamilnadu, Andhra Pradesh, Goa & Maharashtra.
  
  
  
  
  Accounts Branch
  Carriage and Wagon Workshop, Hubli
  Civil Engineering Branch
  Commercial Branch
  Electrical Branch
  Mechanical Branch
  Medical Branch
  Stores Branch
  Operating Branch
  Personnel Branch
  Safety Branch
  Security Branch
  Signal & Telecom Branch
  Supervisors' Training Centre
  Vigilance Branch