Dear Thilaka, Welcome to Healthcaremagic!
Your daughter is passing through her teens which is very tender stage of developement. Childish activities may remain but coaxing or being rude to her will not help. You may need to rule out attention deficit hyperactivity disorder
), though it's uncommon to start at this age. I recommend you to have a wait & watch policy. If it doesnot improve you may consult a psychologist
. There are no medicines for concentration or memory.