law: Equal Remuneration Act, 1976
  16. Power to make declaration 
  Where the appropriate government is, on a
  
  consideration of all the circumstances of the case, satisfied that the
  
  differences in regard to the remuneration, or a particular species of
  
  remuneration, of men and women workers in any establishment, or employment is
  
  based on a factor other than sex, it may, by notification, make a declaration
  
  to that effect, and any act of the employer attributable to such a difference
  
  shall not be deemed to be contravention of any provision of this Act.