Section 3. Fixing of minimum rates of wages. (1) The appropriate Government shall, in the manner hereinafter provided:

(3) In fixing or revising minimum rates of wages under this section,— (a) different minimum rates of wages may be fixed for— (i) different scheduled employments; (ii) different classes of work in the same scheduled employment; (iii) adults, adolescents, children and apprentices; (iv) different localities; (b) minimum rates of wages may be fixed by the hour, by the day or by any larger wage period as may be prescribed: Provided that where any wage-periods have been fixed under section 4 of the Payment of Wages Act, 1986 (IV of 1986), minimum wages shall be fixed in accordance therewith. (2) The appropriate Government may fix— (a) a minimum rate of wages for time work (hereinafter referred to as "a minimum time rate"); or 1948] Minimum Wages 3 (b) a minimum rate of wages for piece work (hereinafter referred to as "a minimum piece rate"); (c) a minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis (hereinafter referred to as "a guaranteed time rate"); (d) a minimum rate (whether a time rate or a piece rate) to apply in substitution for the minimum rate which would otherwise be applicable, in respect of overtime work done by employees (hereinafter referred to as "overtime rate"). 3. Fixing of minimum rates of wages. (1) The appropriate Government shall, in the manner hereinafter provided: (a) As before the expiry of three years in the case of an employment specified in Part II of the Schedule, or two years in any other case, from the commencement of this Act, or, as the case may be, from the date of the notification under section VI including the employment in the Schedule, the minimum rates of wages payable to employees employed in all scheduled employments; (b) review at such intervals as it may think fit, such intervals not to exceed five years, the minimum rates of wages so fixed and revise the minimum rates, if necessary. Provided that the appropriate Government shall not be required to fix minimum rates of wages in respect of any scheduled employment in which there are in the whole Province less than one thousand employees engaged in such employment.