The cut off marks will not be announced before the JEE Main 2nd session that is JEE main april you will only get to know about your marks , after The April exam then your marks will not be marks rather it will be a percentile score calculated on your particular shift with respect to the candidates appeared in your shift.

Hello.

The cutoffs for a year will be released after the conclusion of the counseling for that year. Furthermore, the counseling for this year will be held on my after the conclusion of the April session of the exam.

You can refer the previous year cutoffs using this link:

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