law: The Food Safety and Standards Act, 2006 
  24. Restrictions of
  
  advertisement and prohibition as to unfair trade practices. - 
  1.     
  
    No
  
  advertisement shall be made of any food which is misleading or deceiving or
  
  contravenes the provisions of this Act, the rules and regulations made there
  
  under.
  2.     
  
    No
  
  person shall engage himself in any unfair trade practice for purpose of
  
  promoting the sale, supply, use and consumption of articles of food or adopt
  
  any unfair or deceptive practice including the practice of making any
  
  statement, whether orally or in writing or by visible representation which-
  a.      falsely represents
  
  that the foods are of a particular standard, quality, quantity or
  
  grade-composition;
  b.     makes a false or
  
  misleading representation concerning the need for, or the usefulness;
  c.      gives to the public
  
  any guarantee of the efficacy that is not based on an adequate or scientific
  
  justification thereof: Provided that where a defence is raised to the effect
  
  that such guarantee is based on adequate or scientific justification, the
  
  burden of proof of such defence shall lie on the person raising such defence.