Hi there,

Yes definitely you should take a year drop and prepare well for the JEE Main Exam for 2021.

You should work on rectifying your mistakes that you have done in this year, focus on various concepts which were not known to you.Always prevent mistake which may lead to negative marking.

Also do solve a lot of Sample question papers and previous years papers to get analysed about your preparation. Look into books for examples, HOTS question etc.

You can also check out the knockout course for JEE 2021 by Careers360 . It will surely help you

https://learn.careers360.com/knockout-jee-main-april/

Dont feel embarrassed, if you focus and prepare well definitely you shall suceed. Always have hope

Cheers

Good luck !