On which of the following days is World Teachers’ Day celebrated?

At which of the following places will the International Union for Conservation of Nature (IUCN) World Conservation Congress be held?

Which of the following countries has recently been re-elected to Part II of the Council of the International Civil Aviation Organization (ICAO)?  

What has Navi Mumbai International Airport been renamed as recently?

Balod has become India’s first officially child marriage-free district. It is located in which state?