You don't mention which institution's question paper on Income Tax & Auditing - B.Com(P) 2009 course you're looking for, but I'm guessing it's for a university or college in India. That's OK, because there are plenty of options to choose from.
- Shijavi University - unishivaji.ac.in/.../B.Com
- University of Pune - unipune.ac.in/Syllabi_PDF/revised_2010
- University of Madras - unom.ac.in/uploads/...2009/Bcom
- Mahatma Gandi University - scribd.com/doc/199549306/B-com-sem-5-model-question-paper-mgu-CBCSS
Other sites you can try for old question papers include: dynamictutorial.blogspot.com/p/dibrugarh-university-old-course, gphbook.com/ignou-bcom-books or green-book-shop.org/income-tax-bcom-5th-semester.
For other Blurtit answers to similar questions, take a look at I Want Previous Years Question Papers Of 1st Year B.com? or I Want B.com 2nd Year Previous Question Papers Of Osmania University?