Each and every parent desires to have a healthy growing child. Unfortunately there is increasing incidence of certain neurological disorders in children in the last decade. Autism is one of the important problems among these. The prevalence of Autistic spectrum disorder in 1980 was around 1 in 10000. The same prevalence is now estimated to be 1 in 200! It is the fastest growing developmental disability in the world. Approximately 67 million people worldwide are now affected by autism. So what is autism? It is a group of complex disorders of brain development that presents with varying degrees of impairment