Hi there, Sorry to hear about the problems of your child. As per some history provided, your child may have learning disability and other psychological disorders. He may be telling lies in order to avoid some punishment. He needs psychological assessment and interventions. He needs attention at home and school. Do get advice from the mental health professional. Be positive for the health of your child.

You should took help of a psychiatrist and psychologist both

Madam Please consult some psychiatrist in ofline mode (if you want proper assesment) A child assesment may require anywhere between 20 min to 1 hour and may be continued to 2nd day also, which is impossible in online mode.