law: The Legal Metrology Act, 2009
  26. Penalty for
  
  alteration of weight and measure.-
  tampers with, or
  
  alters in any way, any reference standard, secondary standard or working
  
  standard or increases or decreases or alters any weight or measure with a view
  
  to deceiving any person or knowing or having reason to believe that any person
  
  is likely to be deceived thereby, except where such alteration is made for the
  
  correction of any error noticed therein on verification, shall be punished with
  
  fine which may extend to fifty thousand rupees and for the second and
  
  subsequent offence with imprisonment for a term which shall not be less than
  
  six months but which may extend to one year or with fine or with both.