GATE Syllabus GATE Mechanical Engineering (ME) GATE 2023 Mechanical Engineering (ME)-Syllabus GATE Instrumentation Engineering (IN) GATE 2023 Instrumentation Engineering (INE)-Syllabus GATE EC_Electronics-and-Communications_Engineering GATE 2023 Electronics and Communications Engineering (ECE)-Syllabus GATE Aerospace Engineering (AE) GATE 2023 Aerospace Engineering (AE)-Syllabus GATE EE_Electrical-Engineering GATE 2023 Electrical Engineering (EE) -Syllabus GATE CS_Computer-Science-and-Information-Technology GATE 2023 Computer Science and Information Technology (CSE)-Syllabus