law: Securities and Exchange Board of India Act, 1992
  28.Power to exempt.- 
  If the Central
  
  Government is of the opinion that it is necessary or expedient so to do in
  
  public interest. it may by order published in the Official Gazette, exempt any
  
  person or class of persons buying or selling securities or otherwise dealing
  
  with the securities market from the operation of the provisions of sub-section
  
  (1) of section 12.