In which of the following countries have marine scientists discovered a giant black coral that is 300 years old?

At which location was the second edition of the Khelo India Beach Games recently inaugurated? 

In which of the following states was India’s first completely paperless district court inaugurated?

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

In which of the following states was the 25th All India Major Ports Cultural Festival held?