(1) The date of retirement of an employee of the Board shall date on which he attains the age of 60 years. He may be retained in service after the said « exceptional circumstances with the sanction of three fourth members of the Board in the i of wagf, provided that he is medically fit but shall not be retained in service after the ag years. : ;
(2) No extension shall be granted for more than one year at a time. The medical fitn aforesaid, shall be certified before such extension. :
(3) Notwithstanding anything contained in these Regulations, the appointing authority shi is of the opinion that it is in the interest of Auqaf so to do, have the absolute right to re employee of the Board by giving him notice of not less than three months in writing o months’ pay and allowances in lieu of such notice— :
(a) if he is, in Group A or Group B service or post in a substantive, permanent or tem capacity, after he has attained the age of 50 years;
(b) in any other case, after he has attained the age of 55 years.