Dear Student,

For NCERT notes of biology, chemistry and physics class 12th,

• You can use the online coaching materials that they provide for free.
• You can watch youtube lectures of the faculty you like and refer to their notes or make your own notes by watching their videos.
• You can read NCERT books and make your own notes after reading it.
• You can refer to your school or tution notes for reference material
• You can also use guides from publications like arihant publications books (all in one), goyal publications.
• You can also refer to guides that contain short notes and chapterwise past year questions.
• Also, you can refer to different sites and apps available that provide you with good notes.
  
  This things will help you a lot for getting and making the best notes.

For NCERT books for 12th, you can refer to the given link :- https://school.careers360.com/articles/ncert-books-for-class-12

Happy Learning!