Section 4(2)(b) in U.P. State Universities First Statutes (Age of Superannuation, Scales of Pay and Qualifications of Teachers), 1975
(b)who has not crossed his 60tb birthday before the date of commencement of these Statutes, shall opt whether he shall retire, -(i)at the age of 60 years and shall avail the new scale of pay; or(ii)at the age of 62 years and shall continue to avail the old scale of pay.