Hello aspirant,

Class 11 makes the base of all topics you will be studying in near future. If one's basic concepts aren't clear, solving mock tests and questions becomes difficult. If you feel your class 11 concepts aren't clear, you can start today itself. You can go for youtube crash courses or coaching, whatever suits you the best.

However, I suggest you give NEET 2022 exam too, even if you will be opting for a drop. It will give you a hands-on experience to attempt the paper and see what questions are asked and how you answer them in a professional setting. Consider it like giving a mock test!

Hope it helps!