Hello student,
Actually each year the cut off trend changes and it depends upon some factors like difficulty of question paper ,number of students etc.so it is quite difficult to tell about the right thing however the all data is according to previous years. It is also quite difficult for us to tell about the percentile. But if you get over then 98 percentile you can definitely get a seat intop 5 NITs and IIITs for General category. Here is a list of top 5 NIT
And top IIIT s are
click on the link below to see all previous year cutoff to have a clear idea about that
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits
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