law: 11. Power of Custodian to summon persons and call for documents.
  (1) The Custodian may, by notice in writing, require any person whom he believes to be capable of giving information concerning any enemy property to attend before him at such time and place as may be specified in the notice and examine any such person concerning the same, reduce his statement to writing and require him to sign it.
  (2) The Custodian may, by notice in writing, require any person whom he believes to have in his possession or control any account book, letter book, invoice, receipt or other document of whatever nature relating to any enemy property, to produce the same or cause the same to be produced before the Custodian at such time and place as may be specified in the notice and to submit the same to his examination and to allow copies of any entry therein or any part thereof to be taken by him.
  1[(3) The Custodian, Deputy Custodian or Assistant Custodian shall have, for the purposes of exercising powers or discharging his functions under this Act, the same powers as are vested in a civil court under the Code of Civil Procedure,1908 (5 of 1908), while dealing with any case under this Act, in respect of the following matters, namely:
  (a) requiring the discovery and inspection of documents;
  (b) enforcing the attendance of any person, including any officer dealing with land, revenue and registration matters, banking officer or officer of a company and examining him on oath;
  (c) compelling the production of books, documents and other records; and
  (d) issuing commissions for the examination of witnesses or documents.]