Hello Aspirant,
See there is no any specific counselling process for south students, if you belong to any southern state then you have to normally participate in the JOSAA counselling and if you do not get seat their then you can go for CSAB counselling.
It seems that you are confused with the CSAB NEUT counselling so see CSAB NEUT is the counselling/seat allotment process conducted by CSAB for the candidates having the domicile of 12 North-Eastern states and Union Territories namely :-
Assam, Manipur, Arunachal Pradesh, Meghalaya, Mizoram, Sikkim, Tripura, Nagaland, Andaman & Nicobar Islands, Dadra & Nagar Haveli, Lakshadweep, and Daman & Diu
As of now CSAB NEUT 2021 registrations have been started from November 6th and it will end on November 19th so if you belongs to any of the above mentioned state then you should register yourself as soon as possible and you can check out complete schedule of CSAB NEUT counselling and other details about it from the link given below :-
CSAB 2021 - Dates, Registration (Soon), Counselling, Seat Allotment (careers360.com)
To have a list of all those colleges which you can get based upon your marks, category, and state you can use JEE-Main College Predictor:-
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
If you are preparing for JEE-Main 2022 then I would recommend you to check the resources made by our experts to help aspirants like you in the best and smart preparation of JEE-Main 2022 :-
https://learn.careers360.com/jee-main-coaching/?utm_source=%20QnA
I hope this information helps you.
Good Luck!!
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