Cerebral palsy is the term used to define brain damage at the time birth on in utero. it is commonest cause of childhood nuro-muscular disorder . it is not a disease. It is group of Neuro-motor disorder which comprises of motor dysfunction, disturbance of sensation, perception, cognition, communication , behavior, epilepsy, hearing, speech & immunity etc It is a life long condition that affect individual & his immediate surrounding . it occur because of Non-progressive disturbances in the developing fetal or infant brain upto 3 year of postnatal period . Cerebral palsy is the disorder that causes impair control of movement due to damage in the developing brain. Severity of Lesion may range from sectoral defect to global affection of brain. The brain injury is static; it is not progressive. However, the dysfunctions or disabilities associated with cerebral palsy can be static, progressive or regressive depending upon type of intervention modality and surrounding environments. Risk factor and probable possibility of cerebral palsy can be determined at the time of birth but definite diagnosis can only be made earliest at 3-6 mth of age. Spectrum of presentation range from clumsiness in gait to severe disability.