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.
Tips for your answer
- 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.
More Challenges
View All- View Challenge
GS3
Environment & Ecology
21 Apr, 2026
“The crisis of the Colorado River reflects a shift from hydrological scarcity to ecological water loss.”
Discuss the geographical features of the Colorado River system and critically examine the role of climate change and ecological processes in altering river flows. - View Challenge
GS2
Indian Polity
Yesterday
“India’s migration governance remains reactive and fragmented rather than continuous and worker-centric.”
Discuss the key challenges in India’s migration governance architecture. Suggest measures to build a comprehensive and resilient migration management system. - View Challenge
GS2
Indian Polity
19 Apr, 2026
Custodial deaths reflect deeper structural issues in India’s policing system.
Discuss the causes of custodial violence and suggest measures to ensure accountability and protection of human rights.
Master Answer Writingfor UPSC Mains
Join thousands of aspirants mastering answer writing with daily challenges, instant AI evaluation, and topper copies
