Hey.
The expected cut off for admission in DU LLB 2018 for the Other Backward Classes- is a range of rank around 3100-3900 and marks around 200-210
The last rank that got admission in DU for LLB in the OBC category was 3894 with marks 200. Considering the previous year trends and your marks, you do not seem to have much chances for admission in DU.