Does your child answer back rudely every time you say something? Does s/he back-talks to you even in public? If your answer to both the questions is “Yes”, then there is a high chance that your child is suffering from a behavioural disorder. So what exactly is this behavioural disorder? Well, it’s common for children to argue, yell and throw tantrums once in a while. However, if such behaviour becomes a regular occurrence, then it is surely a cause for concern. To help you understand it better, here are the three most common disruptive behavioural disorders discussed in detail. Read on.