

| Category | Age Limit (years) |
| General | 35 years |
| OBC | 38 Years |
| SC/ST | 40 years |
| Stage | Test | No. of questions | Duration |
| I | Written Test (Computer Science Engineering) | 80 | 1 Hour 30 Minutes |
| II | Interview | - | - |
| ISRO Scientist Engineer Subjects | ISRO Scientist Engineer Syllabus |
| ISRO Syllabus 2025 for Electronics Engineering | Digital circuits & Microprocessor
Control Systems Signals and Systems Microwave Engineering Electromagnetics Communications Electronic Devices Networks Analog Circuits Engineering Mathematics |
| ISRO Syllabus 2025 for Mechanical Engineering | Engineering Mechanics
Engineering Materials Manufacturing (Production) Industrial Engineering Machine Design Theory of Machines & Vibrations Strength of Materials Fluid Mechanics Heat-Transfer Thermodynamics Engineering Mathematics |
| ISRO Syllabus 2025 for Computer Engineering | Database
Compiler Design Theory of computation Microprocessor Programming & Data Structures Algorithms Computer Organization Digital Logic Computer Networks Operating Systems Software Engineering & Web Technology Image processing Engineering Mathematics |
| ISRO Syllabus 2025 for Civil Engineering | Transportation Engineering
Solid Mechanics & Foundation Engineering Hydrology & Irrigation Environmental Engineering Fluid Mechanics & Hydraulics Design of Steel Structures Solid Mechanics Structural Engineering Surveying (Geometrics) Engineering Mathematics |
| Category | Age Limit (years) |
| General | 35 years |
| OBC | 38 Years |
| SC/ST | 40 years |
| Stage | Test | No. of questions | Duration |
| I | Written Test (Computer Science Engineering) | 80 | 1 Hour 30 Minutes |
| II | Interview | - | - |
| ISRO Scientist Engineer Subjects | ISRO Scientist Engineer Syllabus |
| ISRO Syllabus 2025 for Electronics Engineering | Digital circuits & Microprocessor
Control Systems Signals and Systems Microwave Engineering Electromagnetics Communications Electronic Devices Networks Analog Circuits Engineering Mathematics |
| ISRO Syllabus 2025 for Mechanical Engineering | Engineering Mechanics
Engineering Materials Manufacturing (Production) Industrial Engineering Machine Design Theory of Machines & Vibrations Strength of Materials Fluid Mechanics Heat-Transfer Thermodynamics Engineering Mathematics |
| ISRO Syllabus 2025 for Computer Engineering | Database
Compiler Design Theory of computation Microprocessor Programming & Data Structures Algorithms Computer Organization Digital Logic Computer Networks Operating Systems Software Engineering & Web Technology Image processing Engineering Mathematics |
| ISRO Syllabus 2025 for Civil Engineering | Transportation Engineering
Solid Mechanics & Foundation Engineering Hydrology & Irrigation Environmental Engineering Fluid Mechanics & Hydraulics Design of Steel Structures Solid Mechanics Structural Engineering Surveying (Geometrics) Engineering Mathematics |