a. Japan
b. Singapore
c. Maldives
d. Sri Lanka
Ans. C
Explanation: According to the information provided by the Press Information Bureau of the Government of India on June 12, 2023, the 12th edition of the joint military exercise ‘Ex Ekuverin’ between the Indian Army and the Maldives National Defence Force to be held in Chaubatia, Uttarakhand from June 11 to 24, 2023.