Which death anniversary of MS Subbulakshmi, the first musician to be awarded the Bharat Ratna, was observed on 11 December 2025?

Which of the following countries became the first in the African region to eliminate river blindness (onchocerciasis)?

The Gujarati edition of the book titled “I Like Challenges,” launched by Union Home Minister Amit Shah, is based on whose life? 

Which sport has Mohit Sharma recently retired from? 

Which country recently became a member of the International Big Cat Alliance?