Hi there.

You seem to have asked the same question twice.

The cut off 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://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff-for-svnit-surat/amp

Good luck!