If it's happening b'cos of fake resume's issue,then there is something seriously wrong with the HR policies and selection methods. But probably that may not be the major factor,it could be stress related issue or disappointment on appraisals,finally nothing much would have haapened,u will possibly find the satyam guy in infosys and infosys guy in TCS and viceversa.(career triangle) Bcos after getting some huge pay packs,they individuals have less options than target big bucks.