law: Standards of Weights and Measures Act, 1976 
  78. Survey and
  
  statistics. –
  The Central Government
  
  shall make, or cause to be made, such surveys and collect, or cause to be
  
  collected, such statistics as it may consider necessary with a view to ascertaining
  
  the extent to which any standard of weight, measure or numeration established
  
  by or under this Act has been implemented in any area or in relation to any
  
  class of undertakings, users or goods and it shall be the duty of every person
  
  using weight or measure or making any numeration to render such assistance as
  
  the person making such survey or collecting such statistics may require.