(1) ¹[If any person with intent to aid any terrorist or terrorist organisation or a terrorist gang contravenes] any provision of, or any rule made under the Explosives Act, 1884 (4 of 1884) or the Explosive Substances Act, 1908 (6 of 1908) or the Inflammable Substances Act, 1952 (20 of 1952) or the Arms Act, 1959 (54 of 1959), or is in unauthorised possession of any bomb, dynamite or hazardous explosive substance or other lethal weapon or substance capable of mass destruction or biological or ² [chemical substance of warfare or high quality counterfeit Indian currency, he shall], notwithstanding anything contained in any of the aforesaid Acts or the rules made thereunder, be punishable with imprisonment for a term which shall not be less than five years but which may extend to imprisonment for life, and shall also be liable to fine.
     (2) ³ [Any person who with the intent to aid any terrorist, or a terrorist organisation or a terrorist gang], attempts to contravene or abets, or does any act preparatory to contravention of any provision of any law or rule specified in sub-section (1), shall be deemed to have contravened that provision under sub-section (1) and the provisions of that sub-section in relation to such person, have effect subject to the modification that the reference to "imprisonment for life" therein shall be construed as a reference to "imprisonment for ten years".