law: Trade Marks Act, 1999  
  121. Instructions of Central Governments as to
  
  permissible Variation to be observed by criminal courts.- 
  The Central Government may, by notification in
  
  the Official Gazette, issue instructions for the limits of variations, as
  
  regards number, quantity, measure, gauge or weight which are to be recognized
  
  by criminal courts as permissible in the case of any goods.