India signed Air Bubble Agreement with Australia

Current Context: The Government of India has signed an air bubble agreement with Australia.

• The agreement will enable the travel of eligible passengers between the two countries.
• The air bubble agreement is a process to resume flights between two nations with preconditions during pandemics.
• At present, India has suspended all the scheduled international flight operations till 31st Jan 2022.
• But under the air bubble agreement dedicated cargo flights with select countries will operate.
• Until now, India has signed a similar agreement with 33 countries.
• Static Part: 
• Capital of Australia: Canberra
• Currency of Australia: Australian dollar

Question: 

Q.1 For what purpose is the air bubble agreement signed by India with other countries?
a. To collaborate in space sector technologies
b. To enable travel of eligible passengers
c. To enhance maritime security
d. To tackle climate change issues