Children’s mental health should be given utmost importance to prevent psychological issues in future. Recent study reveals children with sleeping disorder at young age will likely to get affected by mental disorders during adolescent. Further shocking reports prevails in medical field, creating a kind of panic among parents. One such serious developmental disorder among children is Autism Spectrum Disorder, which impairs the child’s communication and interaction. Autism is a neurological disorder, which has lifelong effect on child’s development. The aim of this paper is to provide a complete overview of autism disorder and its underlying facts. This paper also explores and intervene the diverse research topics like neural networks, image processing, data mining and other advancements applied to early intervention of ASD in children.