'\'\'\'QA>> ad disappears after refresh when budget is exhausted, here we are dealing with a case of multiple users simultaneously viewing a same ad----------------------------------QA>>unable to check due to bug ID:19749\'\'nnDev>> Now there is no real time feature  in media. So we can\'t  hide the ad when another user clicks and the budget exhausted. Inorder to handle this scenario we will popup a msg when the user clicks on it. That shows \'The ad is not available\'.\''