Hi there.

When it comes to all sorts of competitive examinations, your rank matters not the score. The rank vs score thing keeps fluctuating every year depending on various factors like difficulty level of paper and number of students writing the exam. Hence, The cut off also depends upon the number of seats available, the difficulty level of paper and number of candidates writing the examination. And, hence varies every year depending on these factors. You can get a general idea of cut off by looking at previous year trends. Here is the link for the same:

Https://engineering.careers360.com/articles/jee-main-cutoff

Good luck!