Psychology is the scientific study of behavior and the mind. Thoughts and feelings, as well as conscious and unconscious phenomena are the various areas of study within this discipline. Psychology can be classified as a cognitive, social, or behavioral science. It is utilized for both the treatment of mental health issues and for comprehending and resolving problems across various domains of human activity. Attention, emotion, intelligence, and personality are some of the various mental processes studied under it. Various schools of thought exist within this discipline, including the social, psychoanalytical, behavioral, cognitive, and biological perspectives. This book explores all the important aspects of psychology in the present day scenario. It elucidates new approaches in a multi-disciplinary approach. It is designed to provide deep insights about the subject to the readers.