Bollywood actress Vidya Balan who won the National Award her performance in the 2011 film `The Dirty Picture` disagrees with many who complain of the casting couch in the industry. She says she didn`t let anybody do anything wrong or let herself be exploited. Vidya attributes this to her being very passionate about acting instead of desperation for work. She advises newcomers to safeguard themselves against casting couch. Actresses should learn to live with no role and no film.