hiii.......
For advance accoutancy...........u shud prepare vry carefully.......u shud hv cleared all the concepts thoroughly........pl. keep this words in mind...."agar aapko concept bhi clear ho jaye aur aapne ques ka wrong answer bh diya hai th bhi u 'ill get some marks" these are the words said by my close CA friend........so. pls. read the theory carefully....and solved the problems.
For Auditing ............u can approach to ANU SERIES book.......and case studies are really sensitive.....it contains 30-35 marks.....
For business & corp. laws read from ANU SERIES book........u 'ill get 60+marks.
Any help ....pl. feel free to ask.........and dnt loose hope dear...........BEST OF LUCK