When was the 137th birth anniversary of Maulana Abul Kalam Azad, the first Education Minister of independent India, celebrated?

In which of the following states was “Operation White Cauldron” conducted by the Directorate of Revenue Intelligence (DRI)?

At which of the following places was a two-day national conference on Watershed Festival organized? 

The 11th edition of the Mitra Shakti exercise is being held between India and which country? 

Samrat Rana has won the gold medal in the men’s 10m air pistol event at the ISSF World Championships in Cairo. He has become the first Indian to win an individual air pistol world title?