With a straightforward story, Diphan has once again succeeded in creating an appealing film about current topics. It talks about how adolescent boys & girls play with their lives using mobile phones which in fact puts others lives into danger.The cast is very good, mostly with the comedians. They keep us hooked with their puns & dialogs. Performances are good. Two different stories related to each other is shown in an average screenplay. Music is good but the songs were not necessary.Giving out a wonderful message, SIM is an engaging watch. Although, produced in a very low budget, it has high potential. Poor cinematography & editing. But, these shouldn't bother you. 7.5/10.BOTTOM LINE: A must-watch. It's message is very important in parallel to the harsh reality.Can be watched with a typical Indian family? YESProfanity/Sex/Nudity: No | Vulgarity: Mild | Violence: No | Gore: Mild | Alcohol: Strong | Smoking/Drugs: No