May 12 attempt

My attempt is in may 12 (ca final) , i am going to appear both groups.

But i want to know whether the syllabus for DT is changing or not ???  is direct tax code will be applicable for that attempt???

same in case of Corporate laws!!!!!     Will portion change in such a manner that if i start study now i have to studu again  ???? And all i do now  of these subjects ....will it go waste????