hello my son was suffering from autism from is child, due to this myself and my family members all are upset he wont listen our speech and dont respond and he wont speak we have taken him to many hospitals in chennai but no improvement in is attitiude, once i have seen dr.thiru thanikachalam sir program in t.v and went to is hospital and taken treatment for last 6months, now he is responding and listening our speech, and he is able to do is work by himself thanks to rathna siddha hospital