Dear Aspirant,
If you are not happy with the college allotted to you in earlier rounds then you could lock the seat allocated to you and go for next round. If you are allocated a better seat in the new round then your new seat will become your current seat and your previous seat will be cancelled.
However, there might be a chance that you won't get any better college in a special round as the special round is more about luck. But in short, you could fill the special round.
Here are a few links for you:-
https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-gftis
You could also use careers360 college predictor to get a precise result:
https://engineering.careers360.com/jee-main-college-predictor
Thank You.
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