best treatment in rathna siddha hospital for autism my son was affected by this problem he wont respond to our speech and he was unable to speak due to this i was afraid how he will survive in this world so i have taken him to many hospital but no use once i have seen dr.thiru thanikasalam sir program in t.v and went to is hospital and taken treatment for last 1yr now my son is responding to us and he is speaking now and we are happy thanks to doctor and to rathna siddha hospital