Hi Lakshmi....

As psychiatrists are trained medical doctors, they can prescribe medications, and they spend much of their time with patients on medication management as a course of treatment.

Psychologists focus extensively on psychotherapy and treating emotional and mental suffering in patients with behavioral intervention. Psychologists are also qualified to conduct psychological testing, which is critical in assessing a person’s mental state and determining the most effective course of treatment.

The professions of psychiatry and psychology also differ greatly in terms of education. Psychiatrists attend medical school and are trained in general medicine. After earning an MD, they practice four years of residency training in psychiatry. Their experience typically involves working in the psychiatric unit of a hospital with a variety of patients, from children and adolescents with behavior disorders to adults with severe cases of mental illness.

Psychologists must obtain a PhD or PsyD doctoral degree, which can take up to four or six years. Throughout their education, psychologists study personality development, the history of psychological problems and the science of psychological research. Graduate school provides rigorous preparation for a career in psychology by teaching students how to diagnose mental and emotional disorders in varying situations.

After graduate school, psychology students are required to complete an internship that can last one to two years. The internships give them exposure to:

• methods of treatment
• analytical testing
• problem-solving techniques
• psychological theory
• behavioral therapy     

After the internship, to become licensed, most states also require one or two years of practical work experience supervised by an authorized mental health professional.

Hope this helps...Thank u