Please check this post by you, already answered 2 weeks back !!
https://forum.litairian.com/discussion/521/get-first-rank-in-board-exam/p1
There is also a point on eye stress and stamina….. using PERFECT HEALTH SERUM and EYE SERUM
You can request..VK GOLDEN SUNRISE REGULARISE HIS SLEEP CYCLE if you feel its required