Hey there your wbjee rank is pretty good. Last year cutoff are

Branches                               closing ranking

1. Computer engineering               1465

2. Information technology               4258

3. Civil engineering                 6695

4. Electrical engineering                 3693

5. ENTc                       3005

6. Mechanical engineering          4652

7. Printing engineering                24347

As per your obc (non- creamy layer) ranking and above ranking there is high probability of you to get a core branches in first or second round of counselling.