Sub-Section 4 of Section 1 of the the Contract Labour (Regulation and Abolition) Act, 1970 shall be amended as follows:-
(i) in clause (a), for the word “twenty”, the word “fifty”shall be substituted, and
(ii) in clause (b), for the word “twenty”, the word “fifty” shall be substituted and in the provision of sub section-4 of section 1 of the Act, for the word “twenty”, the word “fifty”shall be substituted.