Thus the right to practise any profession or to carry on any occupation, trade or business conferred by article 19(1)(g) was 595 controlled by clause (6) which, prior to its amendment to which reference will presently be made, ran as follows: "(6) Nothing in sub clause (g) of the said clause shall affect the operation of any existing law in so far as it imposes, or prevent the State from making any law imposing, in the interests of the general public, reasonable restrictions on the exercise of the right conferred by the said sub clause, and, in particular, nothing in the said sub clause shall affect the operation of any existing law in so far as it prescribes or empowers any authority to prescribe, or prevent the State from making any law prescribing or empowering any authority to prescribe, the professional or technical qualifications necessary for practising any profession or carrying on any occupation, trade or business".