Equal Remuneration Act,1976
3. ACT TO HAVE OVERRIDING EFFECT. –
The provisions of this act shall have effect notwithstanding anything inconsistent therewith contained in any other law or in the terms of any award, agreement or contract of service, whether made before or after the commencement of this Act, or in any instrument having effect under any law for the time being in force.
A settlement arrived at between the management and the employees cannot be a valid ground for effecting discrimination in payment of remuneration between male and female employees performing the same work or work of a similar nature; Mackinnon Mackenzie and Co. v. Audrey D Costa, (1987) 2 SCC 469.