Q. AUSIINDEX is a bilateral maritime exercise between India and which one of the following countries?

[A] Austria

[B] Australia

[C] Armenia

[D] Argentina

Answer: B
Notes:

Statement b is correct: AUSINDEX is a bilateral maritime exercise between India and Australian Navies. It was started in the year 2015. This is the fourth edition of the exercise. 

Aim: To provide an opportunity for both Navies to further bolster interoperability, gain from best practices and develop a common understanding of procedures for Maritime Security Operations. 

Source: PIB