Contract Labor (Regulation and Abolition) Act, 1970
12. Licensing of contractors
(1) With effect from such date as the appropriate government may, by notification in the Official Gazette, appoint no contractor to whom this Act applies, shall undertake or execute any work through contract labor except under and in accordance with a license issued in that behalf by the licensing officer.
(2) Subject to the provisions of this Act, a license under sub-section (1) may contain such conditions including, in particular, conditions as to hours of work, fixation of wages and other essential amenities in respect of contract labor as the appropriate government may deem fit to impose in accordance with the rules, if any, made under section 35 and shall be issued on payment of such fees and on the deposit of such sum, if any, as security for the due performance of the conditions as may be prescribed.