Subsection (1) of section 7 of the principal Act is hereby deleted and the following substituted therefor: —“(1) Any person who, otherwise than for a lawful purpose —
(a) carries or has in his possession or under his control; or
(b) manufactures, sells or hires or offers or exposes for sale or hire; or
(c) lends or gives to any other person,any scheduled weapon shall be guilty of an offence under this Act and shall be liable on conviction to imprisonment for a term not exceeding five years and shall also be punished with caning with not less than six strokes, and in the case of a second or subsequent offence to imprisonment for a term of not less than two years and not more than eight years and shall also be punished with caning with not less than six strokes.”.