Ca final revalidation

I had registered on 22nd Feb 2011 and 5 yrs expire on 22/2/16 I want to know whether i have to apply for CA final revalidation for may 16 exams. If yes then can i apply before 22/2/16 because it generally takes about 45 days to complete the procedure and will this cause any problem during admit card time? Plz reply asap