law: Drugs and Magic Remedies, 1954
  15. Power to exempt from application of Act. -
  
  
  If in the opinion of the Central Government
  
  public interest requires that the advertisement of any specified drug or class
  
  of drugs or any specified class of advertisement relating to drugs should be
  
  permitted, it may by notification in the Official Gazette, direct that the
  
  provisions of sections 3,4,5 and 6 or nay one of such provision shall not apply
  
  subject to the advertisement of any such drug or class of drugs or any such
  
  class of advertisement relating to drugs.