Hello aspirant

You can inform them now regarding your health issues giving reason for not attending the class. You can send apologize mail .

You can proceed with your class or self study also  can be done.

But make sure you won't skip tests , because regular tests are mandatory to strengthen your knowledge about subject . It brings confidence in You.  Online mock tests are available.

One of the biggest benefit of self study is that you will save your so much time.

Now a days online classes are also being held. They charge very less.

If you want you may join the following page for neet 2024 preparations.

https://learn.careers360.com/knockout-neet-may/