Section 61(2)(a) in Tamil Nadu Pension Rules, 1978
(a)The Head of Officer shall send to every Government servant the application for pension in Form 5 one year in advance of the date on which the Government servant, attains the age of superannuation, or before the date of his anticipated retirement, if earlier, with the request that it should be returned to him duly completed within a period of [six months] [Rule 61(2)(a), for the words 'three months', the words 'six months' substituted - G.O.Ms.No.242, Finance (Pension) Department, dated 08-05-1997 with effect from 19th November 1985.] from the date of issue of intimations to the Government servant by him but in no case later than the actual date of retirement,