Hi aspirant

You are not qualified for JEE advance as 81%ile is too low.You need upto 90%ile to get qualified in JEE mains and be eligible for JEE advance.

If you want you can appear in JEE april session so that you can improve yourself .

Career360 can be helpful for your preparation .Visit the link: https://www.entrance360.com/knockoutfull-jee-main-april/?utm_source=c360&utm_medium=exit-intent-ct&utm_campaign=knockoutfull-jee-april

Hope this was helpful