Hello Candidate

Based on Previous year trends for a rank of 100 in JEE ADVANCED it requires minimum 270 marks so based on that in order to secure a rank below 100 hundred you should score more than 270 marks  in exam . Candidates with greater positive scale scores  will be given a higher ranking.

you can check JEE ADVANCED 2021 RESULTS here https://www.google.com/amp/s/engineering.careers360.com/articles/jee-advanced-result/amp

Hope this information helps you.

GOOD LUCK!!