Which country recently became a member of the International Big Cat Alliance?

In which of the following states was the 15th International Sand Art Festival inaugurated?

In which of the following cities will the Indian Navy commission its first indigenous Diving Support Craft, DSC A20?

Which of the following countries became the first in the African region to eliminate river blindness (onchocerciasis)?

Which of the following states has become the top state in the use of solar energy in the agricultural sector?