Under the leadership of which of the following, the Cold Response military exercise is being organised by the North Atlantic Treaty Organisation (NATO)? 

H.K. Dua passed away at the age of 88. Who was he?

Sarfaraz Ahmed, who has retired from international cricket, hails from which country?

Madurai Airport located in which state has been approved to be given international status?

In which city did Union Minister Piyush Goyal inaugurate the 40th edition of AAHAR International Food and Hospitality Fair?