Urgent Help Needed (F17)

So im F17 rn in 11th in Aakash but mere Physics and Botany k teachers are shit as fuck, i does botany from Youtube its hella great but Physics nuh. I am thinking to change to allen but the real issue is my Chemistry Teacher is Hell of a God Level mf so is my Zoology Teacher. What should i do? (Im 17M btw)

Mere physics k questions nhi banre ache se aur chapter thik se samaj nhi aata