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UPSC Key: Bangladesh ex-PM Khaleda Zia Funeral, Lateral entry, and Quantum physics

Why is the contribution of secondary aerosols to Delhi’s annual PM2.5 pollution important for your UPSC exam? What significance do topics such as lateral entry, quantum physics, and the multi-role helicopter Dhruv hold for both the Preliminary and Main examinations? You can learn more by reading the Indian Express UPSC Key for December 31, 2025.

upsc, Bangladesh Khaleda Zia, Tarique Rahman, S JaishankarExternal Affairs Minister S. Jaishankar hands over a personal letter from Prime Minister Narendra Modi to Acting Chairman of Bangladesh Nationalist Party and the son of former Prime Minister of Bangladesh Khaleda Zia, Tarique Rahman, as he conveys condolences of the people and Government of India on her passing, in Dhaka on Wednesday. (@DrSJaishankar/ANI Photo)
26 min readNew DelhiJan 1, 2026 03:14 PM IST First published on: Dec 31, 2025 at 06:30 PM IST

Important topics and their relevance in UPSC CSE exam for December 31, 2025. If you missed the December 30, 2025, UPSC CSE exam key from the Indian Express, read it here.

Khaleda Zia, Bangladesh’s first woman PM, dies; Jaishankar at funeral today

Syllabus:

Preliminary Examination: Current events of national and international importance

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Mains Examination: General Studies-II: India and its neighbourhood- relations,  Bilateral, regional and global groupings and agreements involving India and/or affecting India’s interests.

What’s the ongoing story: Bangladesh’s first woman prime minister Khaleda Zia, who played a major role in restoring democracy after a period of tumultuous military rule and dominated the country’s politics for decades, died Tuesday after a prolonged illness. She was 80. External Affairs Minister S Jaishankar will represent India at the funeral of Khaleda Zia in Dhaka on Wednesday.

Khushboo Kumari is a Deputy Copy Editor with The Indian Express. She has done her graduation and pos... Read More

Roshni Yadav is a Deputy Copy Editor with The Indian Express. She is an alumna of the University of ... Read More

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