hello.. my 4year 9month old boy is not at all listening to anyone.. his teacher complains that he is not even listening in class, and if teacher asks him to do something he cries saying 'mummy mummy'.. he is aggressive, hurts himself, hits people at home, so uncontrollable, hurts, irritates others and laugh, runs madly etc etc.. he is so uncontrollable and I am so helpless..what can I do to make him behave normally?.. pls reply