Hey friend!

Firstly all the best for your future preparation in the exam . Hoping that you are doing fine in the global pandemic . Work hard , Don't loose hope . Try to be consistent in your studies and give mock tests which gives you rank and analysis . Solve previous questions . Stay Motivated .

For the syllabus of jee main 2021

https://engineering.careers360.com/articles/jee-main-syllabus

For the syllabus of jee advanced 2021

https://engineering.careers360.com/articles/jee-advanced-syllabus

All the best friend!