The paper is an attempt to highlight the impact of social skills deficit in an autistic child. Paper starts with explaining concept of autism and characteristic symptoms of autism. Autism involves triad of symptoms - social skills deficit, communication skills deficit and repetitive or stereotype behavior. But social skills deficit is root cause of all other deficits. Author tries to explain meaning, parameters and consequences of social skills and social skills deficit. The major portion of the paper is devoted to consequences of social skills deficit in classroom situation. These consequences include - lack of friends, lack of relations, lack of assuming expected role, lack of cognitive development, lack of framing a reference value set for decision making, lack of adaptation/adjustment, lack of belongingness and concern for others and Poor personality make up. These consequences are more than sufficient to make child unfit for class in inclusive setting. Finally paper ends with suggesting counselor, special educator, parents and teacher should team up to work on a strategy for making up social skills deficits for an autistic child.