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

Who among the following has been appointed as the Speaker of the Bihar Legislative Assembly?

In which of the following states is the Dudhwa Tiger Reserve located, where the rainbow water snake was found for the first time in its buffer area? 

Which of the following was recently included in UNESCO’s list of Intangible Cultural Heritage of Humanity?

On which of the following days is International Volunteer Day celebrated every year?