law: Custom Act, 1962 
  107.
  
  Power to Examine Persons. – 
  Any
  
  officer of customs empowered in this behalf by general or special order of the
  
  Commissioner of Customs may, during the course of any enquiry in connection
  
  with the smuggling of any goods, - 
  (a) require any person to produce or deliver any document or thing
  
  relevant to the enquiry;
  (b) examine any person acquainted with the facts and circumstances of
  
  the case.