Hi

JEE main February session result has already been declared so please refer to it to know your exact percentile

But yes, just to give you an estimate if we go with 65 marks, then

• Your Overall Percentile will be around 84.25 - 87.37 percentile and if we go with 87.37  percentile then your rank will be around 129205 - 145245   as per our rank predictor at
  JEE Main Rank Predictor 2021 - Predict your JEE Main ...

  JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...

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With 84.25 - 87.37 percentile, you have low chances of qualifying JEE main to be eligible for JEE advanced if you belong to general category otherwise if you belong to any other category then you have very good chances to qualify

For example,
In 2020, qualifying cutoff for general category was 90.3765335 and jee main 2021 expected qualifying cut off percentile is 90-95 percentile.
You can check the same at our page the link is provided below
https://engineering.careers360.com/articles/jee-main-cutoff

To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to,  your home state, your gender etc, the link for  jee main college predictor is provided below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

To improve your score in remaining sessions of JEE main you should focus on your preparation go through previous year question papers ,mock test papers and to help you in your preparation we have jee main knockout out for you, for which  is provided below

https://learn.careers360.com/knockout-jee-main-april/

Thankyou