This research paper aims to study the impact of childhood trauma on a person's psychology by examining Arundhati Roy's The God of Small Things. In this novel, Roy has explicitly given out the situation that can affect a person's psychology. Childhood is mainly the Most Tender phase of a human's life. It is meant to enjoy more but life is unpredictable and sometimes it can bring out the situation that might leave a long lasting and negative impact on a child's psychology. This impact can slowly turn into severe sufferings and takes the form of trauma. Trauma indicates serious impacts on a person's psyche. To revive those traumatic events, memory plays an important role. Due to the recurrence of those traumatic events through memory mechanism, it might be difficult for a person to forget those bad events. Arundhati Roy's The God of Small Things is the best example of disturbed childhood that leads to disturbed adulthood consequently. Mainly, the twins Estha and Rahel faced childhood trauma. Roy never leaves any opportunity to bring forward the sufferings of people through her fiction and non-fiction as well. She has very beautifully portrayed the impact of traumatic childhood on a person's psyche through Estha and Rahel.