Ca final - pls reply asap

hello friends , I clear my CA final group 1 in 3rd attempt & exempt isca exam in Nov 2015 . my balance 3 exams due in may 2016. My mind is not focus in study and I m feel very depressed and demotivated. Actually I lost my passion towards my dream of becoming CA. But i want to become CA in may 2016. I sit for study 12 to 13 hours in a day but no output and at the end i feel very guilty . Pls pls help me how I gain my passion and study with full dedication. how I plan my balance 3 subjects . I have left with very few no. of days. Pls provide me proper schedule including revision schedule for DT ,IDT & AMA . THANKS IN ADVANCE