Asalamulikum : bro's And sis'

I am Government Servant .
DOB 23/02/1983
PMS TWO Times Fail 2008 & 2010

Lastly Applied For PMS KPK2012 (last Chance)
Allocated Center Mardan for Paper 16 septeber 2013

i am confused about my two subject weak .

and i want to not appear in this exam 2013.
fully prepare for next exam.

but i am worried about my age..........??????????

is my chance secured as i have issued roll no?????????

i am confuse '''''is this chance availed in next PMS ?


i Am wait for your response quickly thanks....
ALLAH HAFIZ