The upcoming film 'Gehraiyaan's plot revolves around a complicated relationship centered on infidelity. This isn't the first time that Bollywood has made a film with an infidelity theme. There have been many more before 'Gehraiyaan'. Each one, whether it's 'Life In A Metro', 'Kabhi Alvida Na Kehna', 'Rustom', or others, all are based on extramarital affairs. Here's looking at some of the best films on the theme of infidelity: