Section 21. Term of office

21. Term of office. -The Chairperson or a Member, as the case may be, shall hold office as such for a term of three years from the date on which he enters upon his office and shall be eligible for reappointment for another term of three years: Provided that no person shall hold office as such Chairperson or Member after he has attained the age of sixty-seven years. - 22. Salary, allowances and other terms and conditions of service of Chairperson and Members. The salary and allowances payable to and other terms and conditions of service, including pension, gratuity and other retirement benefits, of the Chairperson and other Members shall be such as may be prescribed: Provided that no salary, allowances and other terms and conditions of service of the Chairperson or other Members shall be varied to his disadvantage after his appointment.