Thanks for the question. I have provided below the previous year's cutoff of various NIFT of obc category.. 

1 FD Bengaluru  809 

2 FD Chennai  923 

3 FD Gandhinagar 1248 

4 FD Hyderabad 1226 

5 FD Kannur  2084 

6 FD Kolkata 1970 

7 FD Mumbai 595 

8 FD New Delhi  202 

9 FD Patna  2635 

You have a high chance of getting nift Kolkata and kannur. 

All the best