Category-wise opening and closing ranks for Chemical Science and Technology at Indian Institute of Technology Patna. General closing rank was around 13,350.
| Category | Round | Opening | Closing |
|---|---|---|---|
| EWS | 1 | 1,944 | 2,031 |
| EWS | 2 | 1,944 | 2,128 |
| EWS | 3 | 1,944 | 2,174 |
| EWS | 4 | 1,944 | 2,218 |
| EWS | 5 | 1,944 | 2,218 |
| EWS | 6 | 2,174 | 2,337 |
| OBC-NCL | 1 | 3,625 | 5,042 |
| OBC-NCL | 2 | 4,782 | 5,309 |
| OBC-NCL | 3 | 4,899 | 5,311 |
| OBC-NCL | 4 | 4,899 | 5,311 |
| OBC-NCL | 5 | 4,899 | 5,349 |
| OBC-NCL | 6 | 4,899 | 5,515 |
| OPEN | 1 | 4,373 | 13,350 |
| OPEN | 2 | 12,691 | 13,683 |
| OPEN | 3 | 13,123 | 13,732 |
| OPEN | 4 | 13,123 | 13,732 |
| OPEN | 5 | 13,123 | 13,732 |
| OPEN | 6 | 13,449 | 15,406 |
| SC | 1 | 2,933 | 3,019 |
| SC | 2 | 3,004 | 3,115 |
| SC | 3 | 3,004 | 3,164 |
| SC | 4 | 3,004 | 3,164 |
| SC | 5 | 3,004 | 3,164 |
| SC | 6 | 3,004 | 3,254 |
| ST | 1 | 1,225 | 1,322 |
| ST | 2 | 1,225 | 1,322 |
| ST | 3 | 1,225 | 1,322 |
| ST | 4 | 1,225 | 1,322 |
| ST | 5 | 1,225 | 1,322 |
| ST | 6 | 1,225 | 1,322 |