How can I prepare for class12 PCM?Is NCERT enough for class12?

Ncert is best for chemistry. Solution of each and every question of is in ncert books. For physics you can read hc verma and university physics. For maths read rd sharma. But always read ncert books. Almost 90per cent questions in board is asked from ncert. Please study ncert books. For chemistry always read ncert book. If you want you can buy abc chemistry if you think you are not satisfied with ncert.