law: The Legal Metrology Act, 2009
  18. Declarations on
  
  pre-packaged commodities.-
  1.  No
  
  person shall manufacture, pack, sell, import, distribute, deliver, offer,
  
  expose or possess for sale any pre-packaged commodity unless such package is in
  
  such standard quantities or number and bears thereon such declarations and
  
  particulars in such manner as may be prescribed.
  2.  Any
  
  advertisement mentioning the retail sale price of a pre-packaged commodity
  
  shall contain a declaration as to the net quantity or number of the commodity
  
  contained in the package in such form and manner as may be prescribed.