Explanation:

None of the above countries are members of IORA.

• The Indian Ocean Rim Association is an inter-governmental organisation which was established on 7 March 1997.
• Member States: Australia, Bangladesh, Comoros, India, Indonesia, Iran, Kenya, Madagascar, Malaysia, Maldives, Mauritius, Mozambique, Oman, Seychelles, Singapore, Somalia, South Africa, Sri Lanka, Tanzania, Thailand, United Arab Emirates and Yemen.
• All sovereign States of the Indian Ocean Rim are eligible for membership of the Association. To become members, States must adhere to the principles and objectives enshrined in the Charter of the Association.
• IORA’s apex body is the Council of Foreign Ministers (COM) which meets annually. The United Arab Emirates (UAE) assumed the role of Chair since November 2019 – November 2021.

Hence option 4th is correct.