Hello Saurabh,
It would be difficult to tell you the exact about the qualifying cutoff as JEE Main is being conducted twice by NTA for the first time. However you can check the previous year Opening Rank & Closing Rank of MNIT Allahabad for CSE programme with the given below link to take an Idea about it.
https://engineering.careers360.com/articles/jee-main-cutoff-for-mnnit-allahabad
Good Luck!
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