Hi

To be honest there's no shortcut so I am hoping that you are not starting your preparation from scratch otherwise it would be very difficult to prepare  and get 600 marks . Anyway, you can still prepare in 20 days with hardwork and dedication following the below tips:-

-------)Go  through the chapters, focus on mastering the ncert especially for biology and as you have less time, intead of running behind covering the whole syllabus, you need to do study smartly and stress more on  important and scoring topics or chapters  which are listed below subject wise along with their chapter wise weight age based on past year neet papers

>>> PHYSICS

• Optics - 10%

• Semiconductors- 9%

• Dual nature of matter ,atoms and nuclei-9%

• Thermodynamics -9%

• Electrostatics-9%

• Current electricity -8%

• Electromagnetic Induction & Alternating Current-8%

• Laws of motion & work power energy:- 7%

• Magnetic Effect of Current & Magnetism :- 5 %

• System of Particles and Rotational Motion :-5%

>>> CHEMISTRY

• Coordination Compounds- 9%

• p-Block, d- and f-Block Elements- 9%

• Thermodynamics- 8%

• Equilibrium -6%

• Chemical bonding and molecular structure-5%

• Solutions- 5%

• Organic Chemistry: Basic Principles & Techniques- 4%

• Alcohols, Phenols and Ethers :-4%

• Aldehydes, Ketones and Carboxylic Acids-4%

>>> BIOLOGY

• Human physiology:- 20%

• Genetics and Evolution:-18%

• Diversity in living organism:- 14%

• Biology and Human Welfare:-9%

• Reproduction:- 9%

• Cell: Structure and Function:- 9 %

• Plant Physiology:- 6%

• Ecology and Environment:- 6%

To help you plan your studies ,you can get the chapter wise weightage of all the chapters at

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

-------)Practice questions:- You should practise numericals and mcqs in Each chapter to master concepts so that you can solve numericals and MCQs easily.

-------) Follow a routine or timetable :- you can make a routine and religiously follow it and try to give at least around 10 hours to study each day in your routine.

• PHYSICS is the  toughest part for most of the medical aspirants  as it has both numericals and concepts to deal with ,so keep at least 4 hours each day for physics

• In Chemistry you have to deal with reactions and learn them and solve questions as well, so give at least 3 hours to Chemistry

• In biology you have to read, learn and revise again and again, so keep around 3 hours for Biology.

-------) Solve previous year NEET question  :- Solving previous year questions will let you know the examination pattern, type of questions asked in the exam and difficulty level of questions, also concepts  of the questions often gets repeated so it will be of great help to you . You can get previous year neet papers at

https://medicine.careers360.com/articles/neet-question-paper

-------)Go through NEET mock test papers :-  it will let you know your preparation level .After solving each mock test paper, analyse yourself which will help you to know your weak areas /topics  so that you can work on them and them strong so that you can perform well in your examination.

To help you in your preparation we have Neet crash course for you, the link for the same is given below :-

https://learn.careers360.com/neet-crash-course

Thankyou