Salary and allowances and other terms and conditions of service of Presiding Officer.

The salary and allowances payable to, and the other terms and conditions of service including pension, gratuity and other retirement benefits of, the Presiding Officer of a Tribunal shall be such as may be prescribed:

Provided that neither the salary and allowances nor the other terms and conditions of service of the Presiding Officer shall be varied to his disadvantage after his appointment.