law: Recovery of Debts Due to Banks and Financial Institutions Act, 1993 
  13. Salary and allowances and other terms and conditions
  
  of service of Presiding Officers 
  The salary and allowances payable to, and the other terms and
  
  conditions of service (including pension, gratuity and other retirement benefits)
  
  of 11[the Presiding Officer of a Tribunal or the Chairperson of an
  
  Appellate Tribunal] shall be such as may be prescribed:
  PROVIDED  that neither the salary and allowances nor
  
  the other terms and conditions of service of 12[the Presiding
  
  Officer of a Tribunal or the Chairperson of an Appellate Tribunal shall be
  
  varied to his] disadvantage after appointment.