Hello,
When seats are left empty, special rounds are organised by CSAB, to fill those vacant seats after the completion of josaa rounds.
It is organised only for seats at NITs, IIEST, IIITs and other GFTIs (Except IITs) .
You can visit our article on same:
https://www.google.com/amp/s/engineering.careers360.com/articles/csab-special-round-for-nits-iiits-and-gftis/amp
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