Adjustment disorder refers to the psychological reactions arising in relation to adapting to new circumstance. Such circumstances include divorce and separation, a major change of work and abode such as transition from school to university, or migration, or birth of handicapped child, etc. The ICD-101 and DSM-IV define adjustment disorders as transient states of distress and emotional disturbance, which arise in the course of adapting to a significant life change, stressful life event, serious physical illness, or possibility of serious illness. Bereavement is the state of loss resulting from death of a loved person; the time period following a loss. The other two terms which resembles to bereavement are grief and mourning. Grief is the strong, complex involuntary emotional and behavioral response to bereavement. Mourning is the process of adaptation; public rituals associated with bereavement.