The purpose of this book is to make people aware about an alarming rise in the number of children having neuro-developmental disorder like Autism spectrum disorder or autism.There is dramatic increase in the cases of autism which is quite surprising and alarming too. Several years back, only a few autism cases were observed but the shocking fact is that the ratio of autistic kids is increasing every year. We hardly listen any news about autism recovery. If this situation will not be controlled who will support whom? Though several reasons, causes, signs and symptoms for autism have been found out but exact reason or proper cure for autism could not be invented yet. Although, researches are being done to find out the exact cause and cure, the result is still awaited since years.This book is written to make people aware about Autism, its sign, symptoms and possible causes.The author has tried to predict possible consequences after twenty years in the absence of precautionary steps to control autism.