Hello Utkarsh

Your sister's clat score is decent, she can get NLUs but it would be low rankings nlus and she might get admission in 2nd or 3rd round of counselling.

Use clat college predictor to know colleges she can expect with her rank

https://law.careers360.com/clat-college-predictor

To know clat cutoff for nlus 2019 use the link below

https://www.google.com/amp/s/law.careers360.com/articles/clat-cutoff/amp

Good luck