Space Technology — ISRO Missions, Satellites, Planetary Science & Space Economy

What should you study in Space Technology?

• ISRO missions — Chandrayaan 1, 2, 3; Mangalyaan; Gaganyaan
• Satellite types — GTO, LEO, MEO, SSO; applications (INSAT, IRNSS, RISAT)
• Space economy — commercial launches, IN-SPACe, NewSpace India
• Planetary science — Mars, Moon missions globally

How often is Space Technology asked in UPSC Prelims?

Asked in 7 of 10 years, including 5 of the last 5. Highlighted years below are the ones it appeared in.

1. 2016: not asked
2. 2017: asked
3. 2018: not asked
4. 2019: asked
5. 2020: not asked
6. 2021: asked
7. 2022: asked
8. 2023: asked
9. 2024: asked
10. 2025: asked

About the Prelims GS Paper I paper

General Studies Paper I is the Prelims paper that decides the cut-off: 100 multiple-choice questions for 200 marks, with negative marking for wrong answers. See all 88 Prelims GS Paper I topics.

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