The Control of National Highways (Land and Traffic) Act, 2002
10. 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.