The human brain is often considered to be one of the sources or the point of instigation of an illegal act. Acknowledging the state of mind of an individual the law extends the defense of insanity which makes it crucial to understand the concept of sanity in depth. This paper aims to delve into the available methods and techniques to understand the status of the mind of a human being and also comment upon the level of the authenticity of such methods. It also focuses upon studying the factors which can affect mental health and instigate madness in an individual, along with the important role of psychologists to capture the actual scenarios and differentiate between actual and made-up madness.