Hello Aspirant

I'm listing down some of the important chapters for NEET 2020

• Physics

1. Thermodynamics 9%
2. Electrostatics 9%
3. Current Elecricity 8%
4. EMI and alternating current 8%
5. Optics 10%
6. Electronics device 9%

• Chemistry

1. Chemical bonding 5%
2. Thermodynamics 8%
3. Equilibrium 6%
4. solutions 5%
5. co ordination compounds 9%

• Biology

1. Diversity of living organism 14%
2. cell 9 %
3. human physiology 20%
4. genetics 18%

For more detailed structure you can refer

https://medicine.careers360.com/articles/neet-chapter-wise-weightage-and-important-topics

Regards!