7. (1) The Government may order any person who is not a citizen of Bangladesh convicted under section 4 or section 5 to remove himself from Bangladesh within the time specified in the order.
(2) If such person refuses or fails so to remove himself within the specified time,-
(a) he shall be punished with imprisonment which may extend to one year or with a fine which may extend to one thousand Taka or with both, and
(b) he may be removed from Bangladesh under the order of the Government, who may use all such means as may, in the circumstances, be necessary to effect the removal.