To get CS/IT in MNNIT Allahabad, your category rank must be under 1000. Scoring approx. 170 marks can fetch you a seat in MNNIT Allahabad in CS/IT. For mechanical, Civil the cutoff is low. Category rank within 5000, can fetch you a seat in Biotechnology or Production engineering.

You can check previous few years cutoff of MNNIT Allahabad-

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