In this Act, unless there is anything repugnant in the subject or context,

   (1)  any reference to a place belonging to Government includes a place occupied by any department of the Government, whether the place is or is not actually vested in Government;

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   (2)  expressions referring to commnicating or receiving include any communicating or receiving, whether in whole or in part, and whether the sketch, plan, model, article, note, document, or information itself or the substance, effect or description thereof only be communicated or received; expressions referring to obtaining or retaining any sketch, plan, model, article, note or document, include the copying or causing to be copied of the whole or any part of any sketch, plan, model, article, note, or document; and expressions referring to the communication of any sketch, plan, model, article, note or document include the transfer or transmission of the sketch, plan, model, article, note or document;

   (3)  "document' includes part of a document;

   (4)  "model" includes design, pattern and specimen;

   (5)  "munitions of war" includes the whole or any part of any ship, submarine, aircraft, tank or similar engine, arms and ammunition, torpedo, or mine intended or adapted for use in war, and any other article, material, or device, whether actual or proposed, intended for such use;

   (6)  "office under Government" inlcudes any office or employment is or under any department of the Government ²***;

   (7)  "photograph" includes an undeveloped film or plate;

   (8)  "prohibited place" means

   (a)  any work of defence, arsenal, naval, military or air force establishment or station, mine, minefield, camp, ship or aircraft belonging to, or occupied by or on behalf of, Government, any military telegraph or telephone so belonging or occupied, any wireless or signal station or office so belonging or occupied and any factory, dockyard or other place so belonging or occupied and used for the purpose of building, repairing, making or storing any munitions of war, or any sketches, plans, models or documents relating thereto, or for the purpose of getting any metals, oil or minerals of use in time of war;

   (b)  any place not belonging to Government where any munitions of war or any sketches, models, plans or documents relating thereto, are being made, repaired, gotten or stores under contract with, or with any person on behalf of, Government, or otherwise on behalf of Government;

   (c)  any place belonging to or used for the purpose of Government which is for the time being declared by the Central Government, by notification in the Official Gazette, to be a prohibited place for the purposes of this Act on the ground that information with respect thereto, or damage thereto, would be useful to an enemy, and to which a copy of the notification in respect thereof has been affixed in English 'and in the vernacular of the locality;

   (d)  any railway, road, way or channel, or other means of communication by land or water (including any works or structures being part thereof or connected therewith) or any place used for gas, water or electricity works or other works for purposes of a public character, or any place where any munitions of war or any sketches, models, plans, or documents relating thereto, arc being made, repaired, or stored otherwise than on behalf of Government, which is for the time being declared by the Central Government, by notification in the Official Gazette, to be a prohibited place for the purposes of this Act on the ground that information with respect thereto, or the destruction of obstruction thereof, or interference therewith, would beuseful to an enemy, and to which a copy of the notification in respect thereof has been affixed in English and in the vernacular of the locality;

   (9)  "sketch" includes any photograph or other mode of representing any place or thing; and

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   (10)  "Superintendent of Police" includes any police officer of a like or superior rank, and any person upon whom the powers of a Superintendent of Police are for the purposes of this Act conferred by the Central Government. ⁴***