Autistic disorder is a Neurodevelopmental disorder and also come under Pervasive disorder with Multifactorial with genetic influences and mainly unknown aetiology factor.in India, 22 / 10000 children were diagnosed as autism in early research. Later it become increased because of changes in definition & diagnosed criteria as well as treatment facilities and professional trainers.Treatment efforts are generally individualized to the person’s conditions. Medications may be used to try to help improve certain associated problems.