A Psychiatrist (or a mental disorder specialist) is a medical professional who specializes in the diagnosis, prevention, study, and treatment of mental disorders. They are also called as Mano Rog Chikitsak in India. Degree after MBBS: MD (Psychiatry), DPM (Diploma in Psychological Medicine), DNB (Psychiatry), and or DM (Geriatric Mental Health) after Post Graduation.