Ca final old course group 1 vs new course group 1

Hey guys ,

please help me with this query, i had left CA due to family issues after my Articleship and one attempt of final which i could not cracked last in NOV 2009, and i believe its been long 10 years and many thungs must have comeup in between these years , But now its time to complete and crack My CA Finals , but i need help regarding a Decison ---

WHETHER I SHOULD GIVE GROUP 1 IN OLD COURSE (As there are few slight changes ) & GROUP 2 later (under New Revised Scheme)        *OR* 

MIGRATE TO NEW SCHEME 

please Help ????

thank you all in advance