The cutoff marks for various NITs differ according to the NITs and also according to the branches. One cannot accurately predict the NIT for the any course. But you can compare your rank with data of the previous year's cutoff marks and ranks for the various NITs. A link is given below showing the marks for the various NITs according to the courses affered. You can easily compare and you will be able to identify the institute you will be getting.

https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches/amp#referrer=https://www.google.com