Hello There ,

Please refer to the following Careers360 page for cutoffs for top NIT in all the category . - https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches

The cutoff for SC category students was 54.01 percentile last year. This means that a student with percentile equal or above this was qualified to appear for JEE Advanced , But you need to score at least  110 marks to be on safe side .

use the careers360 college predictor to predict college according to your rank -

Hope it helps