Mains Answer Writing - 21 Nov, 2025

GS3

Science & Technology

15 marks

Explain the significance of ISRO’s successful bootstrap mode start test on the CE20 cryogenic engine for India’s future space missions.

Start with a crisp intro: Define bootstrap mode start in one line and mention why CE20 matters (upper stage of LVM3).
Focus on “significance,” not the news: Use keywords like mission flexibility, multi-orbit capability, fuel efficiency, reduced hardware, advanced propulsion maturity, Gaganyaan relevance.
Add forward-looking points: Mention how this boosts deep-space missions, commercial launches, and India’s strategic autonomy in space technology.

9.5/15

Topper’s Answer Sheet

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