Is CLAT exam necessary to get admission for this course? My son is doing computer science with commerce.

You should understand that once you opt to get out of the counselling process you can not go back. You will get option to either freeze your seat or choose to let it go and participate in next round. You can anytime exit the whole process too. 

There is no restriction as such for the CLAT exam. Thus, one can give CLAT any number of times they want to. Candidates should not feel bad if they are not able to clear the CLAT exam in first time. 

No you can not get admission to 24 participating NLUs without clearing CLAT Exam. For admission to NLU Delhi, you need to clear AILET Exam. 

Yes, you can, However, the consortium will not open any objection window for the same. In case you have any problem with your result you have to contact the helpdesk directly. 

The CLAT Sample Papers will be released on consortiumofnlus.ac.in. Candidates who have paid for the sample papers will be able to download and solve the same.