If you are pretty insane , you can waste your time. Afterall NEET tests your grip over the subject. Not in depth Honors Level knowledge. Its absolutely worthless studying Campbell. Because Campbell has stuffs not at all required in NEET. And you can’t even complete it in 2 years.
NCERT Biology is enough to glide easily through 80 questions.
Refer to Coaching modules for a little extra edge for topics like Human Physiology (Especially Circulation, Excretion and Skeletal System)
Biological Classification : Examples.
Morphology : Examples
Plant Anatomy : Comparison chart between Anatomy of Monocot & Dicot stem. You can do it on your own after reading NCERT. But in modules you will find it ready-made
Biomolecules : Carbohydrates and Enzymes.
Respiration : RQ values.
Reproduction in Humans : Brief Embryological Developments during Gestational time. Learn in table form.
Genetics : Techniques to solve stuffs.
Biotechnology : Process of RDT ( Recombinant DNA Technology).