Hello Arpita, 

The DU LLB is the entrance examination of Delhi University which is a three year undergraduate law program. 

You can refer the previous years cutoff for DU for llb course. In year 2018, the cutoff for OBC category went to rank 134.  For general it went to 94 rank.

https://law.careers360.com/articles/du-llb-cutoff

Use the above mentioned link to estimate whether you would get the college or not from the careers360 college predictor. 

I hope this would help. 

Good luck!!!