Your percentile may be approximately 99.59-99.68. You can check the article at: https://engineering.careers360.com/articles/jee-main-marks-vs-percentile . This is an approximate All India Rank of 4500. You haven't mentioned your Category or the Home State you belong to. Nevertheless, going by previous years data, the chances of you securing a seat in various Colleges are as follows:

IIIT Delhi: CSE

NITK Surathkal: ECE

DTU: Mathematics and Computer Engineering

Now this is based on 2019 data and cut offs change every year. Cut offs depend on various factors such as total no .of seats available, difficulty of the exam, previous year cut offs, no.of Candidates appearing for the exam and no.of Candidates applying for a course. Please use our College predictor for the complete list of Colleges that you may have a shot at: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Your Overall Percentile is: 99.47 - 99.67

Your Predicted Rank is: 2858 - 4508

You have very good chances of getting seat in NIT.

To know your other best admission possibilities of Institutes & branches in JOSSA & State counseling as per your percentile, You can use JEE Main College Predictor tool given below.

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

Thank You and All d best!!!!