Hello Harsh,

The last four months are do or die period for NEET aspirants .i would like to suggest you to work on following topic which is most important for the exam -

For chemistry-

1. The S-Block Elements
2. The P-Block Elements (XI & XII)
3. The D & F Block Elements
4. Equilibrium
5. Basic Concepts of Chemistry
6. Aldehydes, Ketones & Carboxylic Acids
7. Chemical Bonding and Molecular Structure
8. Coordination Compounds
9. Thermodynamics
10. Haloalkanes & Haloarenes
11. Solutions
12. Alcohols, Phenols & Ethers

For physics-

1. Mechanical Properties of Solids and Fluids
2. Current Electricity
3. Dual Nature of Radiation and Matter
4. Moving Charges and Magnetism
5. Thermodynamics
6. Work Energy and Power
7. Motion in a Plane
8. Ray Optics and Optical Instruments
9. Wave Optics
10. Thermal Properties of Matter
11. Gravitation
12. Oscillations
13. Alternating Current
14. Waves
15. Electric Charges and Fields
16. Semiconductors Electronics

For biology-

A. Zoology:

1. Animal Kingdom
2. Reproduction in Organisms
3. Human Health & Disease
4. Body Fluids and Circulations
5. Neural Control & Coordination
6. Locomotion and Movement
7. Microbes in Human Welfare
8. Chemical Coordination & Integration
9. Evolution
10. Excretory Products and Their Elimination
11. Structural Organisation in Animals
12. Digestion and Absorption
13. Breathing and Exchange of Gases

B. Botany:

1. Biological Classification
2. Principles of Inheritance & Variation
3. Morphology of Flowering Plants
4. Cell – The Unit of Life
5. Ecosystem
6. Molecular Basis of Inheritance
7. Biotechnology Principles & Processes
8. Anatomy of Flowering Plants
9. Photosynthesis in Higher Plants
10. Organisms & Populations
11. Biotechnology & its Application
12. Strategies for Enhancement in Food Production
13. Transport in Plants
14. Mineral Nutrition
15. Plant Growth & Development

you will have to revise all these chapters in a very good manner to qualify the exam in 4 months although it can not be said that it will work because it totally depends on your hard work.

for more tips click here---> https://medicine.careers360.com/articles/neet-preparation-tips

hope it will help.