In professional exam mostly questions are come from the study material, but the material only give a guideline for exam, for details i will suggest you to other books and Reference Guideline.
12 October 2010
Hi Ashish, There is a chance to get a question from private text books but the concept always lies in study material. Generally , questions in exams will come from concepts discussed in study material only. All the best. Prepare well. Don't ignore study material in any case.