Category-wise opening and closing ranks for Mechanical Engineering at Indian Institute of Technology Patna. General closing rank was around 10,032.
| Category | Round | Opening | Closing |
|---|---|---|---|
| EWS | 1 | 1,393 | 1,583 |
| EWS | 2 | 1,580 | 1,672 |
| EWS | 3 | 1,580 | 1,672 |
| EWS | 4 | 1,580 | 1,672 |
| EWS | 5 | 1,580 | 1,687 |
| EWS | 6 | 1,646 | 1,787 |
| OBC-NCL | 1 | 3,396 | 4,033 |
| OBC-NCL | 2 | 3,396 | 4,183 |
| OBC-NCL | 3 | 3,396 | 4,188 |
| OBC-NCL | 4 | 3,396 | 4,188 |
| OBC-NCL | 5 | 3,396 | 4,209 |
| OBC-NCL | 6 | 3,396 | 4,286 |
| OPEN | 1 | 7,210 | 10,032 |
| OPEN | 2 | 7,210 | 10,127 |
| OPEN | 3 | 7,210 | 10,127 |
| OPEN | 4 | 7,210 | 10,208 |
| OPEN | 5 | 7,210 | 10,233 |
| OPEN | 6 | 8,588 | 11,758 |
| SC | 1 | 1,781 | 2,246 |
| SC | 2 | 2,014 | 2,383 |
| SC | 3 | 2,014 | 2,383 |
| SC | 4 | 2,014 | 2,383 |
| SC | 5 | 2,014 | 2,383 |
| SC | 6 | 2,014 | 2,489 |
| ST | 1 | 1,009 | 1,088 |
| ST | 2 | 1,009 | 1,141 |
| ST | 3 | 1,009 | 1,141 |
| ST | 4 | 1,009 | 1,141 |
| ST | 5 | 1,009 | 1,141 |
| ST | 6 | 1,009 | 1,141 |