Kalyan Chattopadhyay passed away at the age of 82. Who was he?

Which of the following has become the world’s youngest officially rated chess player? 

On which of the following days is International Universal Health Coverage Day celebrated every year?

In which of the following cities was the Regional Artificial Intelligence Impact Conference 2025 held to promote the adoption of Artificial Intelligence (AI)?

Which of the following state governments has announced the formation of the Abhay Brigade police unit for women’s safety?