Hello Heeramani,
CSAB counselling is conducted by NIT Tiruchirappalli and doesn't come under JoSAA. CSAB counselling will start after the end of JoSAA counselling. And yes, you can apply for CSAB Special round counselling but to that you have to first fill up the CSAB registration form in online mode and would have to opt for Special round. Below I have provided the important details regarding CSAB Special Round 2019 -
CSAB Special Round Eligibility Criteria :
CSAB Special Round Seat Allotment :
You can also go through this link and checkout all the details regarding CSAB counselling : https://engineering.careers360.com/articles/csab
Hope I have answered your query. If you still have any doubt then do ask us.
Good Luck !!!
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