This book brings forth a comprehensive overview of various aspects of mood disorders. Mood disorders are collectively referred to as a group of mental illnesses that lead to psychosocial dysfunction, disturb the balance of interpersonal relationships and lead to numerous other limitations. These are a bunch of highly serious disorders which is evident from the facts that their occurrence is nearly 5% in societies and nearly 70% of initial psychiatric application of the victims reflects that they are not well-known. Correct diagnosis may take as long as a decade, causing lingering trauma to the victims, their relatives and the whole society. Once precisely diagnosed, the correct procedure for treatment of these disorders is crucial to ensure that people can endure the period of treatment without mental discomfort. Protecting cure planning and administration in long-term treatments are important for the control of the disorder. Recurrent problems are discovered throughout the process of diagnosis, remedy and follow-ups of these disorders. Constant advancements are being sought by experts in the field, for which this book should be a handy text for reference.