Category-wise opening and closing ranks for Chemical Science and Technology at Indian Institute of Technology Guwahati. General closing rank was around 7,273.
| Category | Round | Opening | Closing |
|---|---|---|---|
| EWS | 1 | 1,072 | 1,233 |
| EWS | 2 | 1,072 | 1,237 |
| EWS | 3 | 1,072 | 1,237 |
| EWS | 4 | 1,072 | 1,294 |
| EWS | 5 | 1,072 | 1,294 |
| EWS | 6 | 1,072 | 1,319 |
| OBC-NCL | 1 | 2,355 | 3,092 |
| OBC-NCL | 2 | 2,355 | 3,125 |
| OBC-NCL | 3 | 2,355 | 3,125 |
| OBC-NCL | 4 | 2,355 | 3,154 |
| OBC-NCL | 5 | 2,355 | 3,154 |
| OBC-NCL | 6 | 2,355 | 3,161 |
| OPEN | 1 | 4,662 | 7,273 |
| OPEN | 2 | 4,662 | 7,308 |
| OPEN | 3 | 4,662 | 7,308 |
| OPEN | 4 | 4,662 | 7,308 |
| OPEN | 5 | 4,662 | 7,332 |
| OPEN | 6 | 6,432 | 7,958 |
| SC | 1 | 1,490 | 1,837 |
| SC | 2 | 1,490 | 2,056 |
| SC | 3 | 1,490 | 2,056 |
| SC | 4 | 1,490 | 2,056 |
| SC | 5 | 1,490 | 2,056 |
| SC | 6 | 1,622 | 2,080 |
| ST | 1 | 823 | 972 |
| ST | 2 | 823 | 972 |
| ST | 3 | 823 | 972 |
| ST | 4 | 823 | 972 |
| ST | 5 | 823 | 1,049 |
| ST | 6 | 823 | 1,049 |