law: Chartered Accountants Act, 1949 
  5. Fellows and associates
  (1) The members of the Institute shall be divided into two
  
  classes designated respectively as associates and fellows.
  (2) Any person shall, on his name being entered in the Register,
  
  be deemed to have become an associate member of the Institute and be entitled
  
  to use the letters ACA after his name to indicate that he is an associate
  
  member of the Institute of Chartered Accountants.
  (3) A member, being an associate who has been in continuous
  
  practice in India for at least five years, whether before or after the
  
  commencement of this Act, or whether partly before and partly after the
  
  commencement of this Act, and a member who has been an associate for a
  
  continuous period of not less than five years and who possesses such
  
  qualifications as the council may prescribe with a view to ensuring that he has
  
  experience equivalent to the experience normally acquired as a result of
  
  continuous practice for a period of five years as a chartered accountant shall
  
  on payment of the prescribed entrance fee, which shall not, exceed rupees two
  
  hundred in any case, and on application made and granted in the prescribed
  
  manner, be entered in the Register as a fellow of the Institute and shall be
  
  entitled to use the letters FCA after his name to indicate that he is a fellow
  
  of the Institute of Chartered Accountants.