Wages payable to casual, temporary or badli workers.

Notwithstanding anything contained in any law for the time being in force, or in any judgment, decree or order of any court or other authority, or in any contract or other agreement, no employer shall pay to any casual, temporary or badli worker employed by him in an establishment, factory, plantation, motor transport undertaking or other undertaking, wages, whether payable in cash or in kind at rates less than the minimum of the wages payable by him to a permanent worker for performing the same work or work of a similar nature.