Hello Aspirant,

See there is nothing like those who have appeared for various Olympiads will definitely get the rank under 500 in JEE, yes it is right that they gain some experience of sitting in national or international level examination but merely this factor is not responsible for their good rank. Even you can crack JEE-Main 2021 with rank under 500 if you start your preparation from the very next second.  Don't worry because still you have around 1 year and if you utilize it properly then you can still crack JEE-Main and JEE-Advance with good score. I am enlisting down some preparation tips which would help you in your preparation :

• Very first thing is go through the syllabus of JEE-Main 2021 and and JEE-Advance https://engineering.careers360.com/articles/jee-main-syllabus , https://engineering.careers360.com/articles/jee-advanced-syllabus
• Make a proper time-table to balance your studies and daily routine work and give more time to studies.
• Go for the best study material which can make you more confident while solving the question of JEE-Main because it will boost your moral https://engineering.careers360.com/articles/best-study-material-for-jee-main
• Don't forget to make notes while studying because it will help you in memorizing the important things in the last time prior to exam.
• Practice previous year's question papers and sample papers as many as you can because it will enhance your self-confidence and time management skill https://engineering.careers360.com/articles/jee-main-sample-papers & https://engineering.careers360.com/articles/jee-main-question-paper
• Don't forget to do exercise and yoga regularly to keep your body mentally and physically fit.
• You can also take JEE-Main Learning package for your preparation https://learn.careers360.com/jee-main-coaching/?icn=JEE_Main_knockout&ici=JEE_Main_article_view_sticky

For more detailed preparation tips for JEE-Main 2021 kindly check out the link given below :-

https://engineering.careers360.com/articles/jee-main-preparation-tips

You can check out the link given below for best preparation tips :-

https://engineering.careers360.com/articles/jee-advanced-preparation-tips-physics-chemistry-and-mathematics

I hope this information helps you.

Good Luck!!