Isro Scientist Papers 2026
ISRO Scientist/Engineer 2026 - Complete Exam Guide, Previous Papers & Preparation Strategy
Last Updated: March 2026
The Indian Space Research Organisation (ISRO) Scientist/Engineer examination is one of the most prestigious technical recruitment exams in India. This comprehensive guide covers everything you need to crack the ISRO Scientist/Engineer 2026 exam and become part of India's prestigious space program.
Exam Overview
| Attribute | Details |
|---|---|
| Post Name | Scientist/Engineer 'SC' |
| Conducting Body | Indian Space Research Organisation (ISRO) |
| Departments | Electronics, Mechanical, Computer Science, Civil, Electrical |
| Job Type | Group 'A' Gazetted Officer |
| Job Nature | Research and Development in Space Technology |
Important Dates (Tentative - ISRO 2026)
| Event | Expected Date |
|---|---|
| Notification Release | February-March 2026 |
| Online Application Start | March 2026 |
| Last Date to Apply | April 2026 |
| Admit Card Release | May 2026 |
| Written Examination | May-June 2026 |
| Interview Schedule | July-August 2026 |
| Final Result | September 2026 |
Eligibility Criteria
Nationality
- Citizen of India
Age Limit
| Category | Age Limit | Born Between |
|---|---|---|
| General | 18-35 years | Not before 01-01-1991 |
| OBC | 18-38 years | 3 years relaxation |
| SC/ST | 18-40 years | 5 years relaxation |
| PwD | 18-45 years | 10 years relaxation |
| Ex-Servicemen | As per rules | As per government norms |
Educational Qualification
| Branch | Required Qualification |
|---|---|
| Electronics | B.E./B.Tech in Electronics & Communication / Electronics / Electrical & Electronics / Telecommunication |
| Mechanical | B.E./B.Tech in Mechanical Engineering |
| Computer Science | B.E./B.Tech in Computer Science / Information Technology |
| Civil | B.E./B.Tech in Civil Engineering |
| Electrical | B.E./B.Tech in Electrical Engineering |
Essential Requirements:
- Minimum 65% marks or CGPA 6.84/10 (average of all semesters)
- GATE qualification (for certain recruitment cycles)
- Final year students can apply provisionally
ISRO Scientist 2026 Exam Pattern
Written Examination
| Section | Subject | Questions | Marks | Duration |
|---|---|---|---|---|
| I | Technical Subject (Branch specific) | 80 | 240 | |
| II | General Aptitude | 20 | 60 | |
| Total | 100 | 300 | 90 Minutes |
Marking Scheme
| Detail | Value |
|---|---|
| Correct Answer | +3 marks |
| Incorrect Answer | -1 mark (1/3 negative marking) |
| Unattempted | 0 marks |
Interview
| Parameter | Details |
|---|---|
| Candidates Called | 5-7 times the number of vacancies |
| Interview Marks | 100 marks |
| Duration | 15-30 minutes |
| Focus Area | Technical knowledge, Personality, Communication |
Final Selection
| Component | Weightage |
|---|---|
| Written Examination | 75% |
| Interview | 25% |
ISRO 2026 Syllabus
Electronics and Communication Engineering
Networks
- Network graphs
- Network theorems (Thevenin, Norton, Superposition, Maximum Power Transfer)
- Transient and steady-state analysis
- Two-port networks
- Network functions
Electronic Devices
- Energy bands in silicon
- Carrier transport
- Generation and recombination of carriers
- P-N junction diode, Zener diode
- BJT, JFET, MOSFET
- LED, Solar cells, Photo detectors
Analog Circuits
- Small signal equivalent circuits
- Amplifiers (single and multi-stage)
- Feedback amplifiers
- Oscillators
- Operational amplifiers
- Active filters
- Wave shaping circuits
Digital Circuits
- Boolean algebra
- Combinational circuits (adders, subtractors, multiplexers, demultiplexers, decoders)
- Sequential circuits (flip-flops, counters, shift registers)
- ADC and DAC
- Microprocessors (8085, 8086)
- Microcontrollers
Signals and Systems
- Continuous and discrete time signals
- Fourier series and transform
- Laplace transform
- Z-transform
- Sampling theorem
- LTI systems
Control Systems
- Block diagrams and signal flow graphs
- Feedback principles
- Stability analysis (Routh-Hurwitz, Nyquist, Bode)
- Root locus
- Compensators
- State variable analysis
Communications
- Analog modulation (AM, FM, PM)
- Digital modulation (ASK, FSK, PSK, QAM)
- Information theory and coding
- Digital communication systems
- Satellite communication
- Optical communication
Electromagnetics
- Vector calculus
- Maxwell's equations
- Wave equation
- Poynting vector
- Transmission lines
- Waveguides
- Antennas
Mechanical Engineering
Engineering Mechanics
- Statics and dynamics
- Friction
- Centroid and moment of inertia
- Virtual work
- Kinematics and kinetics of particles and rigid bodies
Strength of Materials
- Stress and strain
- Shear force and bending moment diagrams
- Deflection of beams
- Torsion
- Thin and thick cylinders
- Springs
- Columns
Theory of Machines
- Mechanisms and machines
- Velocity and acceleration analysis
- Cams and followers
- Gears and gear trains
- Flywheels and governors
- Balancing
- Vibration
Machine Design
- Design for static and dynamic loading
- Fatigue strength
- Design of joints (riveted, welded, bolted)
- Design of shafts, keys, couplings
- Design of gears, bearings, springs
- Design of brakes and clutches
Fluid Mechanics
- Fluid properties
- Fluid statics
- Fluid kinematics
- Fluid dynamics (Bernoulli, Navier-Stokes)
- Dimensional analysis
- Flow through pipes
- Boundary layer theory
- Turbomachinery
Thermodynamics
- Laws of thermodynamics
- Pure substances
- Thermodynamic cycles (Carnot, Otto, Diesel, Brayton)
- IC engines
- Refrigeration and air conditioning
- Psychrometry
Heat Transfer
- Conduction (steady and unsteady)
- Convection (free and forced)
- Radiation
- Heat exchangers
Manufacturing Technology
- Casting
- Welding
- Metal forming
- Machining and machine tools
- Metrology and inspection
- CNC machines
- Additive manufacturing
Industrial Engineering
- Production planning and control
- Inventory control
- Operations research
- Quality control
- Work study
Computer Science Engineering
Digital Logic
- Boolean algebra
- Combinational and sequential circuits
- Minimization techniques
- Number representations
Computer Organization and Architecture
- Machine instructions
- ALU and data path
- Memory hierarchy
- I/O interface
- Instruction pipelining
Programming and Data Structures
- Programming in C
- Arrays, stacks, queues, linked lists
- Trees (binary, BST, AVL, B-trees)
- Graphs
- Hashing
Algorithms
- Asymptotic notation
- Sorting and searching
- Greedy approach
- Dynamic programming
- Graph algorithms (BFS, DFS, shortest path, MST)
- NP-completeness
Theory of Computation
- Regular expressions and finite automata
- Context-free grammars
- Turing machines
- Undecidability
Compiler Design
- Lexical analysis
- Parsing techniques
- Syntax directed translation
- Code generation and optimization
Operating Systems
- Processes and threads
- CPU scheduling
- Memory management
- File systems
- I/O systems
- Deadlocks
- Virtual memory
Databases
- ER model
- Relational model
- SQL
- Normalization
- Transactions and concurrency control
- File organization
Computer Networks
- OSI and TCP/IP models
- Data link layer
- Network layer (IP, routing)
- Transport layer (TCP, UDP)
- Application layer protocols
- Network security
Software Engineering
- Software development models
- Requirements analysis
- Design patterns
- Testing techniques
- Software project management
General Aptitude (Common for All)
Verbal Ability
- Grammar and sentence correction
- Synonyms and antonyms
- Fill in the blanks
- Reading comprehension
- Verbal reasoning
Numerical Ability
- Number series
- Time and work
- Percentage
- Profit and loss
- Ratio and proportion
- Time, speed and distance
- Simple equations
- Data interpretation
Logical Reasoning
- Series completion
- Coding-decoding
- Blood relations
- Direction sense
- Seating arrangement
- Syllogism
- Puzzles
Quantitative Aptitude Questions with Solutions
Question 1: Number Series
Problem: Find the next term: 2, 6, 12, 20, 30, ?
Solution: Pattern: n(n+1) 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30 Next = 6×7 = 42
Question 2: Work and Time
Problem: A can complete a work in 20 days, B in 30 days. If they work together, how many days will they take?
Solution: A's 1 day work = 1/20 B's 1 day work = 1/30
(A+B)'s 1 day work = 1/20 + 1/30 = (3+2)/60 = 5/60 = 1/12
Days required = 12 days
Question 3: Percentage
Problem: The population of a town increases by 10% every year. If the present population is 10000, what will it be after 2 years?
Solution: Population after 2 years = 10000 × (1 + 10/100)² = 10000 × (1.1)² = 10000 × 1.21 = 12100
Question 4: Profit and Loss
Problem: By selling an article for ₹720, a person loses 10%. What should be the selling price to gain 10%?
Solution: SP = ₹720, Loss = 10% CP = SP/(1 - Loss%) = 720/0.9 = ₹800
To gain 10%: New SP = CP × (1 + Gain%) = 800 × 1.10 = ₹880
Question 5: Ratio
Problem: The ratio of ages of A and B is 3:4. After 5 years, the ratio becomes 4:5. Find A's present age.
Solution: Let present ages be 3x and 4x
After 5 years: (3x + 5)/(4x + 5) = 4/5
Cross multiply: 5(3x + 5) = 4(4x + 5) 15x + 25 = 16x + 20 25 - 20 = 16x - 15x x = 5
A's present age = 3x = 15 years
Question 6: Speed and Distance
Problem: A train 150m long crosses a platform 250m long in 20 seconds. Find the speed of the train.
Solution: Total distance = Length of train + Length of platform = 150 + 250 = 400 m
Time = 20 seconds Speed = Distance/Time = 400/20 = 20 m/s
Convert to km/hr: 20 × 18/5 = 72 km/hr
Question 7: Simple Interest
Problem: At what rate percent per annum will a sum double itself in 8 years?
Solution: Let Principal = P, then Amount = 2P Interest = P
SI = (P × R × T)/100 P = (P × R × 8)/100 1 = 8R/100 R = 100/8 = 12.5%
Question 8: Average
Problem: The average of 11 numbers is 45. If one number is excluded, the average becomes 42. Find the excluded number.
Solution: Sum of 11 numbers = 11 × 45 = 495 Sum of 10 numbers = 10 × 42 = 420 Excluded number = 495 - 420 = 75
Question 9: Mixture
Problem: In what ratio should rice at ₹20/kg be mixed with rice at ₹30/kg to get a mixture worth ₹24/kg?
Solution: Using allegation rule:
20 30
\ /
24
/
6 4
Ratio = 6:4 = 3:2
Question 10: Probability
Problem: Two coins are tossed. What is the probability of getting at least one head?
Solution: Sample space = {HH, HT, TH, TT} Total outcomes = 4
Favorable outcomes (at least one head) = {HH, HT, TH} Number of favorable outcomes = 3
Probability = 3/4
Question 11: Algebra
Problem: If x + 1/x = 3, find x³ + 1/x³.
Solution: We know: (x + 1/x)³ = x³ + 1/x³ + 3(x + 1/x)
27 = x³ + 1/x³ + 3(3) 27 = x³ + 1/x³ + 9 x³ + 1/x³ = 18
Question 12: Mensuration
Problem: Find the surface area of a sphere with radius 7 cm.
Solution: Surface area = 4πr² = 4 × (22/7) × 7 × 7 = 4 × 22 × 7 = 616 cm²
Question 13: Calendar
Problem: What day of the week was January 26, 2026 (Republic Day)?
Solution: Using odd days method:
- 1600 years: 0 odd days
- 400 years: 0 odd days
- 25 years (2000-2024): 19 ordinary + 6 leap = 25 + 6 = 31 = 3 odd days
- Days in 2025 till Jan 26: 26 = 5 odd days
Total odd days = 0 + 0 + 3 + 5 = 8 = 1 odd day
1 odd day = Monday
Question 14: Data Interpretation
Problem: A company has 3 divisions A, B, C with 200, 300, 500 employees respectively. If the average salary is ₹30000, ₹40000, and ₹50000 respectively, find the company's average salary.
Solution: Total salary = (200 × 30000) + (300 × 40000) + (500 × 50000) = 60,00,000 + 1,20,00,000 + 2,50,00,000 = ₹4,30,00,000
Total employees = 200 + 300 + 500 = 1000
Average salary = 4,30,00,000/1000 = ₹43,000
Question 15: Quadratic Equations
Problem: Find the sum of roots of: 2x² - 8x + 6 = 0
Solution: For ax² + bx + c = 0 Sum of roots = -b/a = -(-8)/2 = 4
Reasoning Questions with Solutions
Question 1: Series Completion
Problem: Find the next term: Z, W, T, Q, ?
Solution: Pattern: Each letter is 3 positions back Z(-3)→W(-3)→T(-3)→Q(-3)→N
Question 2: Coding-Decoding
Problem: In a code language, 'SPACE' is written as 'TQBDF'. How is 'ISRO' written?
Solution: Pattern: Each letter is shifted by +1 S→T, P→Q, A→B, C→D, E→F
Applying to ISRO: I→J, S→T, R→S, O→P
Question 3: Analogy
Problem: Earth : Planet :: ISRO : ?
Solution: Earth is a planet. ISRO is a space agency/organization.
Question 4: Blood Relations
Problem: Pointing to a photograph, a scientist said, "She is the wife of my son's father." How is the woman related to the scientist?
Solution:
- Scientist's son's father = Scientist himself
- Wife of scientist = Scientist's wife
Question 5: Direction Sense
Problem: A satellite tracking station is located. A person walks 10 km East, turns North and walks 8 km, then turns West and walks 6 km. How far is he from the starting point?
Solution:
- Start (0,0), walk 10 km East → (10, 0)
- Walk 8 km North → (10, 8)
- Walk 6 km West → (4, 8)
Distance from origin = √(4² + 8²) = √(16 + 64) = √80 = 4√5 ≈ 8.94 km
Question 6: Classification
Problem: Find the odd one out: PSLV, GSLV, AGNI, LVM3
Solution: PSLV, GSLV, and LVM3 are ISRO's satellite launch vehicles. AGNI is a missile developed by DRDO.
Question 7: Syllogism
Problem: Statements:
- All satellites are spacecraft.
- Some spacecraft are communication devices.
Conclusions: I. Some satellites are communication devices. II. Some communication devices are spacecraft.
Solution: I does not necessarily follow. II follows (since some spacecraft are communication devices, some communication devices are definitely spacecraft).
Question 8: Seating Arrangement
Problem: 5 scientists P, Q, R, S, T sit in a row. R is to the right of P. Q is between R and T. S is at the right end. Who is at the left end?
Solution: From clues:
- S is at right end: _ _ _ _ S
- Q is between R and T
- R is to the right of P
Arrangement: P - R - Q - T - S
Left end: P
Question 9: Pattern Recognition
Problem: Find the missing number: 4 9 2 3 5 7 8 1 ?
Solution: Each row sums to 15: Row 1: 4 + 9 + 2 = 15 Row 2: 3 + 5 + 7 = 15 Row 3: 8 + 1 + ? = 15 ? = 6
Question 10: Logical Reasoning
Problem: Statements:
- Some rockets are multistage.
- All multistage vehicles are efficient.
Conclusions: I. Some rockets are efficient. II. All efficient vehicles are rockets.
Solution: I follows (Some rockets → multistage → efficient) II does not follow
General Knowledge Questions with Answers
ISRO and Space
Q1. When was ISRO established? Answer: August 15, 1969
Q2. Where is the headquarters of ISRO located? Answer: Bengaluru, Karnataka
Q3. Who is the current ISRO Chairman (as of 2026)? Answer: V. Narayanan
Q4. What does PSLV stand for? Answer: Polar Satellite Launch Vehicle
Q5. What does GSLV stand for? Answer: Geosynchronous Satellite Launch Vehicle
ISRO Missions and Achievements
Q6. What was India's first satellite? Answer: Aryabhata (launched in 1975)
Q7. Which is ISRO's heaviest launch vehicle? Answer: LVM3 (Launch Vehicle Mark 3), also known as GSLV Mk III
Q8. What was the name of Chandrayaan-2's lander? Answer: Vikram
Q9. What is the name of ISRO's first solar mission? Answer: Aditya-L1
Q10. What was India's first interplanetary mission? Answer: Mars Orbiter Mission (Mangalyaan) in 2014
Space Science
Q11. What is the approximate distance between Earth and Moon? Answer: 384,400 km
Q12. What is the speed of light? Answer: 299,792 km/s (approximately 3 × 10⁸ m/s)
Q13. What is the escape velocity from Earth? Answer: 11.2 km/s
Q14. Which planet is known as the Red Planet? Answer: Mars
Q15. What is the largest planet in our solar system? Answer: Jupiter
Indian Scientists
Q16. Who is known as the father of Indian space program? Answer: Dr. Vikram Sarabhai
Q17. Who was the first Indian to go to space? Answer: Rakesh Sharma (1984)
Q18. Who was the former ISRO Chairman during Chandrayaan-1? Answer: G. Madhavan Nair
Q19. Who was the ISRO Chairman during Mars Orbiter Mission? Answer: K. Radhakrishnan
Q20. Who was the ISRO Chairman during Chandrayaan-2? Answer: K. Sivan
English Questions with Solutions
Question 1: Spotting Error
Problem: Identify the error: "The team of scientists are working on the project."
Solution: "Team" is a collective noun and takes singular verb.
Correction: "The team of scientists is working on the project."
Question 2: Synonyms
Problem: Choose the synonym of "Orbit". (a) Path (b) Station (c) Ground (d) Surface
Solution: Orbit refers to the curved path of a celestial object or spacecraft.
Question 3: Antonyms
Problem: Choose the antonym of "Launch". (a) Begin (b) Start (c) Land (d) Commence
Solution: Launch means to send off/start. The opposite is to land/retrieve.
Question 4: One Word Substitution
Problem: A person who studies celestial bodies and the universe. (a) Biologist (b) Astronomer (c) Geologist (d) Physicist
Solution: An astronomer studies stars, planets, and celestial objects.
Question 5: Comprehension
Problem: Read and answer:
"ISRO is the space agency of the Government of India. Its vision is to harness space technology for national development while pursuing space science research and planetary exploration. ISRO has successfully launched over 100 satellites for various purposes."
How many satellites has ISRO launched? (a) Less than 50 (b) Over 100 (c) Exactly 100 (d) Over 1000
Solution: The passage states: "ISRO has successfully launched over 100 satellites"
Previous Year Cutoff Marks
Written Examination Cutoff (Out of 300)
| Branch | General | OBC | SC | ST |
|---|---|---|---|---|
| Electronics | 180-200 | 160-180 | 140-160 | 130-150 |
| Mechanical | 170-190 | 150-170 | 130-150 | 120-140 |
| Computer Science | 175-195 | 155-175 | 135-155 | 125-145 |
| Civil | 165-185 | 145-165 | 125-145 | 115-135 |
| Electrical | 170-190 | 150-170 | 130-150 | 120-140 |
Interview Cutoff Trends
| Category | Interview Safe Score |
|---|---|
| General | 220+ |
| OBC | 200+ |
| SC | 180+ |
| ST | 170+ |
Final Selection Cutoff (Written + Interview)
| Branch | General | OBC | SC | ST |
|---|---|---|---|---|
| Electronics | 70-75% | 65-70% | 60-65% | 55-60% |
| Mechanical | 68-73% | 63-68% | 58-63% | 53-58% |
| Computer Science | 70-75% | 65-70% | 60-65% | 55-60% |
3-Month Preparation Strategy
Month 1: Technical Foundation
Week 1-2: Core Subjects Review
- Review all core engineering subjects
- Focus on fundamental concepts
- Make short notes
Week 3-4: Subject-wise Preparation
- Focus on high-weightage topics
- Solve GATE previous year questions
- Practice numerical problems
Daily Schedule:
- 6 hours: Technical subjects
- 1 hour: General Aptitude
- 1 hour: Revision
Month 2: Advanced Practice
Week 5-6: Topic-wise Tests
- Subject-wise mock tests
- Identify weak areas
- Focus on numerical solving speed
Week 7-8: Full-Length Tests
- Complete syllabus tests
- Previous ISRO papers
- Time management practice
Daily Schedule:
- 5 hours: Technical practice
- 2 hours: Mock tests
- 1 hour: Analysis and revision
Month 3: Final Preparation
Week 9-10: Revision
- Quick revision of formulas
- Important concepts
- Current affairs in space technology
Week 11-12: Intensive Testing
- Daily full-length tests
- ISRO pattern tests
- Interview preparation (if qualified)
Subject-wise Tips
Electronics:
- Focus on EMT and Communications (highest weightage)
- Practice network theorems
- Digital electronics is scoring
- Control systems numericals
Mechanical:
- Strength of Materials and TOM are crucial
- Focus on thermodynamics cycles
- Manufacturing processes
- Fluid mechanics numericals
Computer Science:
- Algorithms and Data Structures (very important)
- Operating systems concepts
- Database normalization
- Computer networks protocols
- TOC and Compiler design
General Aptitude:
- Practice daily
- Focus on accuracy
- Time management is crucial
Best Books and Resources
Electronics and Communication
| Book | Author | Purpose |
|---|---|---|
| Network Analysis | Van Valkenburg | Networks |
| Electronic Devices | Boylestad | EDC |
| Analog Electronics | Razavi | Analog circuits |
| Digital Design | Morris Mano | Digital electronics |
| Signals and Systems | Oppenheim | Signals |
| Control Systems | B.C. Kuo | Control theory |
| Communication Systems | Simon Haykin | Communications |
| Electromagnetics | Sadiku | EMT |
Mechanical Engineering
| Book | Author | Purpose |
|---|---|---|
| Strength of Materials | Gere and Timoshenko | SOM |
| Theory of Machines | R.S. Khurmi | TOM |
| Machine Design | V.B. Bhandari | Design |
| Fluid Mechanics | Cengel | Fluids |
| Thermodynamics | P.K. Nag | Thermal |
| Heat Transfer | Holman | Heat transfer |
| Manufacturing Science | Ghosh and Malik | Manufacturing |
Computer Science
| Book | Author | Purpose |
|---|---|---|
| C Programming | Kernighan & Ritchie | Programming |
| Data Structures | Cormen (CLRS) | Algorithms |
| Computer Organization | Hamacher | COA |
| Operating Systems | Galvin | OS |
| Database Systems | Korth | DBMS |
| Computer Networks | Tanenbaum | Networks |
| Theory of Computation | Ullman | TOC |
| Compiler Design | Aho & Ullman | Compilers |
General Aptitude
| Book | Author | Purpose |
|---|---|---|
| Quantitative Aptitude | R.S. Aggarwal | Numerical ability |
| A Modern Approach to Verbal Reasoning | R.S. Aggarwal | Reasoning |
| High School English Grammar | Wren & Martin | English |
Online Resources
- Official Website: www.isro.gov.in
- Career Portal: www.isro.gov.in/career
- Practice Tests: GATE previous papers, Testbook
- YouTube Channels:
- NPTEL (IIT lectures)
- Gate Academy
- Made Easy
Frequently Asked Questions (FAQs)
Q1. What is the salary of an ISRO Scientist/Engineer?
| Component | Amount |
|---|---|
| Basic Pay | ₹56,100 (Level 10) |
| DA (50%) | ₹28,050 |
| HRA (24%) | ₹13,464 |
| Transport Allowance | ₹7,200 |
| Gross Salary | ₹1,04,814 |
Additional benefits:
- House Rent Allowance or quarters
- Medical facilities
- Leave Travel Concession
- Children education allowance
- Research allowance
- Pension (NPS)
- Advance increments for GATE qualification
Q2. Is GATE score required for ISRO recruitment?
- Through GATE: Some recruitment cycles require valid GATE score
- Direct Recruitment: Written exam conducted by ISRO itself
For CEPTAM 2026, check the official notification:
- If GATE is required, only GATE qualified candidates can apply
- If direct recruitment, anyone meeting eligibility can apply
Advantage of GATE: Candidates with good GATE scores may be shortlisted directly for interview in some cases.
Q3. What is the career growth in ISRO?
| Grade | Designation | Experience |
|---|---|---|
| SC | Scientist/Engineer | Entry (0 years) |
| SD | Scientist/Engineer | 4-5 years |
| SE | Scientist/Engineer | 9-10 years |
| SF | Scientist/Engineer | 14-15 years |
| SG | Scientist/Engineer | 19-20 years |
| H | Outstanding Scientist | 24+ years |
| G | Distinguished Scientist | Exceptional contribution |
Additional paths:
- Ph.D. sponsorship
- Foreign training and deputation
- Administrative roles
- Project management
Q4. What is the work profile of an ISRO Scientist?
Satellite Development:
- Payload design and testing
- Satellite systems engineering
- Integration and testing
Launch Vehicles:
- Propulsion systems
- Structural design
- Avionics and control
Space Applications:
- Remote sensing data analysis
- Communication systems
- Navigation systems (NavIC)
Research:
- Planetary exploration
- Space science experiments
- Technology development
Work locations: ISRO centers across India (SAC Ahmedabad, VSSC Trivandrum, ISAC Bangalore, etc.)
Q5. How to prepare for the ISRO interview?
Technical Preparation:
- Thorough knowledge of your engineering subjects
- Understanding of ISRO missions and achievements
- Knowledge of current space technology trends
- Project work explanation (be ready with details)
Interview Tips:
- Be confident and honest
- If you don't know, say so
- Focus on fundamentals
- Explain your thought process
- Dress formally
- Carry all original documents
Common Questions:
- Tell us about yourself
- Explain your final year project
- Why do you want to join ISRO?
- Questions from core subjects
- Current affairs in space technology
Important Contact Information
| Detail | Information |
|---|---|
| Official Website | www.isro.gov.in |
| Career Portal | www.isro.gov.in/career |
| Headquarters | Antariksh Bhavan, New BEL Road, Bangalore - 560231 |
| Helpline | Check official notification |
Final Tips for Success
- Focus on Fundamentals - ISRO tests conceptual clarity
- Practice Numericals - Speed and accuracy are crucial
- Study Previous Papers - Understand the pattern
- Stay Updated with ISRO missions and achievements
- Prepare for Interview - It's 25% of total marks
- Know Your Project - Be thorough with final year project
- Time Management - 100 questions in 90 minutes
- Accuracy Over Speed - Due to negative marking
- Stay Motivated - Remember you're contributing to nation's space program
- Believe in Yourself - ISRO selects the best, be confident
Best wishes for your ISRO Scientist/Engineer 2026 journey! Reach for the stars!
Last Updated: March 2026