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Initiative GAGAN
Asked 2 times across 2 UPSC exams over 11 years (2014–2025), peaking in 2025.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- First appeared in CDS 2014 — 11 years before CSE 2025 (allied exams preview CSE)
- Most asked in 2025
- Recurs across 2 years (2014–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2014 → CSE 2025
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CSE2025
GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN?
- It is designed to provide additional accuracy and integrity
- It will allow more uniform and high quality air traffic management
- It will provide benefits only in aviation but not in other modes of transportation
Select the correct answer using the code given below.
- A I, II and III
- B II and III only
- C I only
- D I and II only ✓
✓ Correct answer: (D)
Science & Technology › Space Tech
CDS2014
Consider the following statements about GAGAN (GPS Aided Geo Augmented Navigation) system
- It offers free enhanced satellite navigation signals over India which are ten times more precise than GPS
- It was developed jointly by ISRO and NASA
Which of the statements given above is/are correct?
- A 1 only ✓
- B 2 only
- C Both 1 and 2
- D Neither 1 nor 2
✓ Correct answer: (A)
Science & Technology › Space Tech
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