Just focus on your NCERT only if you want to crack NEET with good rank and that too without drop. The Syllabus of CBSE and NEET is easy and almost all.the questions are directly coming from the lines of NCERT only.
So if you truly believe in yourself and your self studies then go in a simple manner as you are doing now. Means if you are Studying regularly for your CBSE, making your own notes, and giving tests to yourself or to your local coaching( if you have joined)
Study nain NCERT and its exempler book regularly justfor two years in XI and XII. You will Surely save yourself from drop, I gurantee you.
You must know be very well that all other free materials available on you tube, or other social platforms, or notes in big brands Modules are only made from NCERT, and still you are paying lakhs for these or free your You tube like channels and getting nothing, then think who are getting more benefits from you. And who is losing maximum even after paying lakhs??