maine neet ki preparation av se shuru kii hh kya mai 670+ markss la skta hhu .. pllz help mee ...

NEET has been postponed till last week of May 2020. New dates has not announced yet. You'll get more time for preparation. It's not impossible to score 670+ marks with starting preparation from now but it is difficult. You'll have to do a lot of hard work. You should follow some preparation strategies. Instead of choosing a random topic from the syllabus, you must break your preparation into sections. Sub-topics from each section should be selected and then strategy on clearing concepts must be made. Never leave any concepts doubtful or unsolved. Start making notes in your own laguage. Most of the content in books is really complex and hard to understand. Making notes will help you to learn faster.

Once done with the syllabus and concept clarity, you should move towards solving previous years papers. Give mock tests as much as possible. Time management is one more important thing you should look upon. Remember that practise will increase your efficiency. For basic level preparation, use NCERT textbooks. You can practice other books like HC Verma for physics, Truman's Vol 1 and 2 for biology etc.
http://medicine.careers360.com/articles/best-books-for-neet
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