11. (1) Every person enrolled shall, subject to such conditions as may be prescribed, be bound to serve in any unit, of the Bangladesh National Guard to which he has been appointed or transferred or is for the time being attached, and shall be subject to all rules and regulations that may be made under this Act relating to such unit. (2) Every person enrolled shall be liable to perform military service-(a) when called out with any portion of the Bangladesh National Guard by an order of the senior officer of the Bangladesh Army present, either to act in support of the civil power or to provide guards which, in the opinion of such officer, are essential; or(b) when the unit to which he belongs has been embodied to support or supplement the Bangladesh Army in the event of an emergency by an order directing such embodiment issued by the Government. (3) No person enrolled shall be required to perform military service beyond the limits of Bangladesh save under a general or special order of the Government ¹[* * *].