Category-wise opening and closing ranks for Chemical Engineering at Indian Institute of Technology Patna. General closing rank was around 11,917.
| Category | Round | Opening | Closing |
|---|---|---|---|
| EWS | 1 | 1,702 | 1,867 |
| EWS | 2 | 1,712 | 1,893 |
| EWS | 3 | 1,712 | 1,893 |
| EWS | 4 | 1,712 | 1,893 |
| EWS | 5 | 1,712 | 1,893 |
| EWS | 6 | 1,814 | 2,001 |
| OBC-NCL | 1 | 2,817 | 4,636 |
| OBC-NCL | 2 | 4,303 | 4,768 |
| OBC-NCL | 3 | 4,303 | 4,782 |
| OBC-NCL | 4 | 4,303 | 4,782 |
| OBC-NCL | 5 | 4,303 | 4,782 |
| OBC-NCL | 6 | 4,320 | 4,878 |
| OPEN | 1 | 10,452 | 11,917 |
| OPEN | 2 | 8,711 | 11,929 |
| OPEN | 3 | 8,711 | 11,946 |
| OPEN | 4 | 8,711 | 11,946 |
| OPEN | 5 | 10,452 | 11,968 |
| OPEN | 6 | 11,304 | 13,715 |
| SC | 1 | 2,402 | 2,679 |
| SC | 2 | 2,662 | 2,846 |
| SC | 3 | 2,662 | 2,846 |
| SC | 4 | 2,662 | 2,846 |
| SC | 5 | 2,662 | 2,846 |
| SC | 6 | 2,662 | 2,987 |
| ST | 1 | 1,180 | 1,228 |
| ST | 2 | 1,180 | 1,269 |
| ST | 3 | 1,180 | 1,286 |
| ST | 4 | 1,180 | 1,286 |
| ST | 5 | 1,180 | 1,291 |
| ST | 6 | 1,180 | 1,310 |