There are total 24 gate papers out of which applicants can only appear in one paper. An applicant is free to appear in any gate 2019 papers of his/her choice. However, he/she are advised to choose paper carefully according to employment opportunities and institutes admission criteria. After submission of GATE Application, a candidate will not be allowed to change paper.
GATE 2019 will be conducted in the following subjects/ papers.
| Sl.No | Paper | Code |
| 1 | Aerospace Engineering | AE |
| 2 | Agricultural Engineering | AG |
| 3 | Architecture and Planning | AR |
| 4 | Biotechnology | BT |
| 5 | Civil Engineering | CE |
| 6 | Chemical Engineering | CH |
| 7 | Computer Science and Information Technology | CS |
| 8 | Chemistry | CY |
| 9 | Electronics and Communication Engineering | EC |
| 10 | Electrical Engineering | EE |
| 11 | Ecology and Evolution | EY |
| 12 | Geology and Geophysics | GG |
| 13 | Instrumentation Engineering | IN |
| 14 | Mathematics | MA |
| 15 | Mechanical Engineering | ME |
| 16 | Mining Engineering | MN |
| 17 | Metallurgical Engineering | MT |
| 18 | Petroleum Engineering | PE |
| 19 | Physics | PH |
| 20 | Production and Industrial Engineering | PI |
| 21 | Statistics | ST |
| 22 | Textile Engineering and Fibre Science | TF |
| 23 | Engineering Sciences | XE* |
| 24 | Life Sciences | XL* |
*XE Paper
| *XE Paper Sections | Code |
| Engineering Mathematics (Compulsory) | A |
| Any two optional sections | |
| Fluid Mechanics | B |
| Materials Science | C |
| Solid Mechanics | D |
| Thermodynamics | E |
| Polymer Science and Engineering | F |
| Food Technology | G |
| Atmospheric and Oceanic Sciences | H |
**XL Paper
| **XL Paper Sections | Code |
| Chemistry (Compulsory) | P |
| Any two optional sections | |
| Biochemistry | Q |
| Botany | R |
| Microbiology | S |
| Zoology | T |
| Food Technology | U |
* XE (Engineering Sciences) and XL (Life Sciences) papers are of general nature and will comprise of the sections listed in the above table. See further explanation below.