Hello aspirant

hope you are doing well and safe. With reference to your query,  I would glad inform you that at your rank you holds very low chances of getting seat in any NIT even in sc category . I woudls strongly recommend for either to look for others options or start preparing for next attempt. Following is the cut off link for reference:-

https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches

you can use JEE-Main College Predictor to predict your chances of admission in different engineering colleges of India :-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope you found this answer informative. Best wishes for your future