Hello,

Cut off depends on number of candidates appeared, number of seats available, highest mark, level of exam etc.It may increase or decrease.And cut off is different for each NIT.Cut off for CSE will be very high in terms of marks, your category rank must be within 500 to get such rank you need to score 120-150 marks so that you can get seat in choice of your NIT and branch.

You may check our JEE Main knockout packages

https://learn.careers360.com/knockout-jee-main-april/