Hello,
With a rank of around 15000 in rhe common rank list, you have high chances of getting branches such as CSE And IT in some of the newer NITs and IIITs. In the top NITs and IIITs and GFTIs, you might not gt core branches but you will get a seat in them for non core branches.
Please go for all rhe rounds of JOSAA counseling and also the CSAB spot round so as to further increase your chances at a better seat and.at a better NIT.
Also, as you are from SC category, you have much higher chances of getting seat in the top NITs and IIITs.
You migh get core branches in the top NITs in the subsequent rounds of JOSAA counseling. So please go for them. All the best.

Please visit this link to use the JEE Mains college predictor to get to know the probable colleges according to your rank.
Hope it helps

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