Hello Aspirant,

See as we know that CBSE has reduced the syllabus for class 9th-12th by almost 30% and in accordance with that some state boards have also reduced their syllabus but till no the conducting body of JEE-Main did not announced any such matter regarding the reduction of syllabus for JEE-Main 2021. Till now the syllabus is as similar to that of current year means session 2019-20. It is known that this decision has been taken in the wake of COVID-19.

For more details and latest updates refer to the link given below :-

https://news.careers360.com/cbse-class-12-syllabus-will-syllabus-reduction-impact-jee-main-neet-2021

I hope this information  helps you.

Good Luck!!