hi,

see cut off score varies year to year and depends on number of participants in the entrance test, questions difficulty level etc, as per latest notifications 10% of seats are reserve for ews category students, in general aicte approved colleges has atleast 60 seat of intake in each of engineering stream, some times it gets higher.

you may follow the below link to know details,

https://engineering.careers360.com/articles/jee-main-reservation-criteria