Hello Rahul,

The CSAB will soon release the notice and declare the dates. It's been never like earlier that that the refund was not processed.

Have patience and wait till the official notice comes. It would be released on the website of careers360 also.

https://engineering.careers360.com/articles/csab-special-round-for-nits-iiits-and-gftis/amp

This link might help you.

Good luck!