I have taken drop and i want to appear jee mains again without coaching and my jee mains 2017 marks was 39.

First and foremost, you should have full fledged preparation with all chapters thoroughly by solving atleast 200 questions from each chapter through NCERT books for gaining confidence and give at least 20 Mock papers including previous year papers to get the feel.



Adding on , you need indepth drill down Analysis of your frequently committed mistakes made and checking substitute solution which can be taken next time you appear the mock exam.



Keeping short notes for formulae and important chemical reaction is highly useful.







Also, one should focus on redundant questions where your committing mistakes and are your aeak areas and total time taken for wrong answers, which can be eliminated wth substantial practice.





You will be thus now able to distnguish your strong areas where you can rely upon for attempting first and sharpen your saw.





Online mode is strongly recommended against offline mode since you can be on teos with time elapsed and you can reverify and correct ghe answers your not confident of.





Some great preparation books shared below for your reference.



https://googleweblight.com/i?u=https://engineering.careers360.com/download/ebooks/jee-main-important-topics-books-know-from-experts&grqid=4i4FzqG4&hl=en-IN

First You Need To Be Mentally Prepared and Then Study Hard...You will Get Success..