law: Standards of Weights and Measures (Enforcement) Act, 1985
  Chapter VIII:
  
  Inspection, Search, Seizure and Forfeiture
  27. Power to
  
  inspect.-
  
  1.  An
  
  Inspector may, within the local limits of his jurisdiction, inspect and test at
  
  all reasonable times, any weight or measure which--
   
  
   i.  
  
    is
  
  in the possession, custody or control of any person, or
   
  
   ii.  
  
    is
  
  in or on any premises, in such circumstances as to indicate that such weight or
  
  measure is being, or is intended or likely to be, used in any transaction or
  
  for industrial production or for protection, and may also verify whether such
  
  weight or measure is in conformity with the standards established by or under
  
  the Standards Act.
  2.  For
  
  the purpose of ascertaining the correctness of any weight or measure used in
  
  any transaction, an Inspector may also test the weight or measure of the
  
  article sold or delivered to any person in the course of such transaction.