New Delhi, Nov 24: The Institute of Banking Personnel Services (IBPS) today said the CBI probe would bring out the truth behind the leakage of question papers of Common Admission Tests for institutes of management. "We have been conducting the examinations for several years. We have taken all security measures. The CBI is conducting the inquiry. The truth should come out," IBPS director D P Shrada said replying to IIM director Bakul Dholakia's allegation that the question papers were leaked from IBPS, a semi-government body that handles the printing of question papers of exams for IIMs. Bureau Report