The admission in any of the National Law Universities will be based on the cutoff rank ontained in CLAT examination. There are number of law universities participating in CLAT having different cutoff ranks. A link is given where you can see the cutoff ranks for the previous years and for the CLAT 2019 for the participating NLUs as it is the long list to mention here.

https://law.careers360.com/articles/clat-cutoff