Hello there,
Yes, obviously you can upgrade your percentile from 95 to 99 in JEE Mains. You need to do a little more hard work. Since you have done so well, it shows your preparation is quite good. Now you need to do the last few steps to get such great results. Solve the previous year question papers again and again. Give mock tests regularly. Figure out the areas where you are losing marks and work on them to grab some extra marks which will boost your percentile to 99. Believe in yourself, only you can motivate yourself. So never think that you can't.
You can check the link given below:
https://engineering.careers360.com/articles/how-prepare-for-jee-main

You can also try our JEE Main knockout package for excellent results:
https://learn.careers360.com/knockout-jee-main-april/

Hope this information helps you.
Good luck!!

Yes definitely you can score the same percentile in JEE MAINs provided you do your best. As a suggestion I recommend you to solve past year papers of Jee mains as they will give you an idea of the paper pattern and the type of questions that can be asked. Also go through important formulas of all the important chapters and revise important concepts. You can visit the below link for detailed information https://engineering.careers360.com/articles/jee-main-preparation-tips

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