i want to know the cut off of JEE Mains 2022

There is no sectional cut-off in JEE mains subjectwise , it depends on your total percentile.

There is no minimum subject wise cut off to qualify for JEE Main.

There will be JEE Main cut off to qualifying for JEE Advanced exam. Last year, JEE Main category wise cut off score (out of 360) was:

General- 81
OBC- 49
SC- 32
ST- 27

Also, For admissions to NITs/ IIITs/ GFTIs, candidates should have secured at least 75% marks in class 12th exam or be in the top 20 percentile in the class 12th exam conducted by the respective boar. For SC/ ST candidates, the eligibility criteria is 65% marks in class XII.