what should be strategy for 99.9 percetile in jee mains

Hello,
Here's a list of things you need to maintain to score good percentile in JEE MAINS

1. Maintain your time we'll
2. Know the detailed syllabus https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-main-syllabus/amp&ved=2ahUKEwjO1PSoxfnpAhWIf30KHe32D-MQFjAMegQIDRAB&usg=AOvVaw3dJoT3-VcydpEQD8beQpzY&ampcf=1&cshid=1591870939626
3. Go for frequent solving of frequent sample papers https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-main-sample-papers/amp&ved=2ahUKEwjs9Oq8xfnpAhWUe30KHQISAfoQFjABegQIBhAB&usg=AOvVaw37orSutYDI_A56k1_7kgVQ&ampcf=1
4. Solve the previous year question papers so that you can learn the pattern of the exam. https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-main-question-papers/amp&ved=2ahUKEwjn3e3XxfnpAhVUVisKHb_fCfoQFjABegQIBxAB&usg=AOvVaw1E7eLjE89ibM7Vzm1Lyc_1&ampcf=1
5. be consistent in your efforts and never get distracted
6. Maintain a healthy diet and mind so that you never lose focus.
7. If possible go for some coaching or even online crash courses.

Careers 360 offers a varsh course for jee mains. Its different from other courses as it is very affordable and offers 24x7 faculty support, frequent mock tests and previous year question papers with solutions.
https://www.google.com/url?sa=t&source=web&rct=j&url=https://learn.careers360.com/&ved=2ahUKEwj03PixwPnpAhXHzDgGHSaUDhAQFjABegQIAxAB&usg=AOvVaw1ygKzacnBaQOPGaLiWbSgF

Also here's a link for preparation tips for jee mains
https://engineering.careers360.com/articles/jee-main-preparation-tips
hope it helps