February 21st, 2025 Leave a Comment / Uncategorized / By IAS RAW Questions: February 21st, 2025 GS1: What are aurora australis and aurora borealis? How are these triggered? (Answer in 250 words) UPSC 2024 GS2: Discuss India as a secular state and compare with the secular principles of the US constitution. (Answer in 250 words) UPSC 2024 GS3: The world is facing an acute shortage of clean and safe freshwater. What are the alternative technologies which can solve this crisis? Briefly discuss any three such technologies citing their key merits and demerits. (Answer in 250 words) UPSC 2024 GS4: Case Study