law: Life Insurance Corporation Act, 1956 
  Chapter V: Management 
  18. Offices, branches
  
  and agencies.- 
  
  1.     
  
    The
  
  central office of the Corporation shall be at such place as the Central
  
  Government may, by notification in the Official Gazette, specify.
  2.     
  
    The
  
  Corporation shall establish a zonal office at each of the following places,
  
  namely, Bombay, Calcutta, Delhi, Kanpur and Madras, and, subject to the
  
  previous approval of the Central Government, may establish such other zonal
  
  offices as it thinks fit.
  3.     
  
    The
  
  territorial limits of each zone shall be such as may be specified by the
  
  Corporation.
  4.     
  
    There
  
  may be established as many divisional offices and branches in each zone as the
  
  Zonal Manager thinks fit.