@VeennaVNegglur mam GOLDEN SUNRISE..
Please read in the link for the guidance regarding stubborn child
https://forum.litairian.com/discussion/278/how-to-use-vk-for-stubborn-child#latest
You can give him GOLDEN SUNRISE, STUDY SERUM, TOTAL WEALTH SERUM, BALANCE SERUM, ALPHA MALE SERUM to the boy for his studies and 10th board exams.
CALM DOWN SERUM can also be given to the boy to calm down his chatter box mind, thought.
Also please give ONE SOUL SERUM to both mother and son, you can also include other family members if needed.