law: Employee's Provident Funds Miscellaneous Provisions Act, 1952
  12. Employer not to reduce wages, etc.
  No employer in relation to [an establishment]
  
  to which any [Scheme or the Insurance Scheme] applies shall, by reason only of
  
  his liability for the payment of any contribution to [the Fund or the Insurance
  
  Fund] or any charges under this Act or the [Scheme or the Insurance Scheme],
  
  reduce, whether directly or indirectly, the wages of any employee to whom the
  
  [Scheme or the Insurance Scheme] applies or the total quantum of benefits in
  
  the nature of old age pension, gratuity 74[provident fund or life
  
  insurance] to which the employee is entitled under the terms of his employment,
  
  express or implied.]