This freedom also is hemmed in by limitations which are to be found in article 19(6), which in so far as it is relevant for our purposes enacts: " 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," 137 The contention under this head is thus elaborated on behalf of the petitioners: 1.The impugned Act imposes unreasonable restrictions on the freedom to carry on business: (a) in empowering the fixation of rates of wages on criteria relevant only for fixation of minimum, wages; (b)in empowering fixation of wages, grant of gratuity and compensation without making it incumbent on the Board to consider the major factor of the capacity of the industry to pay; (c)in authorizing the Board to have.