Books

For biology - NCERT as said always....and for mcq you can use fingertips For chemistry - NCERT specially for organic and inorganic For physics - for concepts you can use HC VERMA and for mcq DC PANDEY.

hope this help you.

As per neet 2020 question paper you have to refer Ncert for biology and chemistry and for physics go through neetshala notes

For theory you should refer NCERT (chemistry & bio both) & For questions practices you should go with MTG neet champion (for Physics+chem+bio) For physics theory+concept you can refer dc Pandey & for notes You can join neetshala discuss channel on telegram