plz advice frnds

i have my final in this may16 i m appearing for grp1 only and that too i am not prepared that i can clear as i have not done law and audit .. only accounts and some chaptrs left in sfm.. this is my 4th time .. what shall i do .. no confidence at all. rather no interest of studying is coming inside me .. no feeling of exams. i knw i m ruining my life but i dont knw exactly whats going on with me.. why this happening with me last 2 yrs.. what shall i do frnds plz suggest .. i m literally tired ... plzz help..