Hello Dear,

Yes, It is possible for that you need to work hard and revise the syllabus well. The cutoff of exams depends upon various factors. You have to increase 30 to 35 marks to achieve 90-95 percentile. For that revision is the key. Try to solve as many previous year papers. It helps in improving marks. For more details follow the link below:

https://engineering.careers360.com/articles/how-many-marks-are-required-score-90-percentile-in-jee-main

Good Luck