Treatment or more aptly management of autism would require comprehensive approach. Medications like risperidone will help with the hyperactivity.  Poor improving eye contact, reducing repetitive behaviour he will require social skills training, Occupational therapy  which can be availed at special schools. Though autism is not curable, diagnosing and starting treatment at an early age can help improving quality of life.

He will need special care as well as a special school. Speech therapy and other therapies are there to enable him to cope & live a productive life Early intervention is very important. Please Google search for the appropriate therapists and special educators in your city.