Is there any fees for registration in josaa?

Candidates interested in NIT Patna BTech admissions are required to appear for the JoSAA counseling round to get a seat alloted in the course. Only if there are any vacant seats remaining after JoSAA counseling at NIT Patna, then the candidates are selected during the CSAB counseling. Thus, all cand

Yes, you can participate in the CSAB special rounds even after accepting a JoSAA seat in the NIT+ system, provided you follow the specific rules. 

No, you need to fill fresh choices for CSAB rounds. The choices filled in JoSAA will not be carried to the CSAB counselling.

Candidates can check the JoSAA cutoff on the official website - josaa.nic.in.

Yes, the JEE Main admit card is needed at the time of JoSAA counselling.