Solution:See the explanation of above question. Because Chagos, Mauritius and Seychelles also in South Indian Ocean. So correct option will be (a), (c) and (d).Mauritius is an island country in the Indian Ocean. It comprises the main island, Rodrigues, Agaléga, and St. Brandon, forming part of the Mascarene Islands. The capital is Port Louis. Explored by Arabs in 975, Portuguese and Dutch sailors visited later.
Mauritius is ethnically diverse, with Hinduism being the predominant religion. It follows a Westminster parliamentary system, boasts high economic and political freedom, and is classified as a high-income economy.
Known for its biodiversity, Mauritius is home to endemic species and, historically, the dodo. It is consistently ranked as the most peaceful African country.