Biological basis for craving, drug addiction, anxiety disorders, depressive disorders, Psychosis, ADHD; Neuroanatomy including various neurotransmitters and their role in Psychiatry, Neuropeptide, Endorphin, Limbic system; Psychology including Kindling, Imprinting, Dream work, Intelligence including Emotional intelligence, Expressed emotions; Erik Erikson, Piaget, Carl Jung Sigmund Freud, Neo- Freudians ; Theories of personality and Projective tests, Biological basis of learning and memory, Cognitive distortions, Defence mechanism; Statistics