Scientists from which of the following countries have developed the first supercomputer-driven simulation to understand the Mpemba effect?

Maharani Kamsundari Devi passed away at the age of 93. Which kingdom did she belong to?

On which of the following days is National Bird Day celebrated every year? 

The Finke River belongs to which country and has been declared the oldest river in the world? 

The Kalai II hydropower project has been approved amidst conservation concerns regarding the White-bellied Heron. In which state is it located?