Focus on your boards they are more important at present.
Just a few smart study tips will help to prepare for NEET from class 11th but now you need your complete devotion to your tenth syllabus.
Neet syllabus is quite different the only thing you can do is thorough study of topics of biology because they are repeated in class 11 mostly but on a higher level so if your basics are ready you will not face problems. Make sure your mole concepts from chemistry is perfect.
Nothing much for physics but still if you want pay attention to kinematics.