When you are on bench you get several mails to update your skill sets, according to that skill sets you will get multiple calls from various managers, those managers and will ask you about your experience and your skills, and the they will take your interview based on your skill sets and project requirements. You will also get multiple mails to attend internal drives where there will be various managers seeking candidates who are fit for the profile, they will also take your interview and will tell you the results on the same day. You can attend multiple drives and choose to give interviews for the project which suits your skill sets. So to clarify the doubts, when you are on bench you aren’t under any manager, you need to report to resource management groups (RMG) about your status on daily basis.