The correct answer is Seychelles (option 4).
Let`s break down each option:
Option 1 - Bhutan: The currency of Bhutan is called the Ngultrum. So, it is not the correct answer.
Option 2 - Malaysia: The currency of Malaysia is the Ringgit. Therefore, this option is also not accurate.
Option 3 - Maldives: The currency of Maldives is the Rufiyaa. Hence, this option is incorrect as well.
Option 4 - Seychelles: The currency of Seychelles is the Rupee, which matches the question`s requirement - hence this is the correct answer. Therefore, amongst the given options, Seychelles is the country where Rupee is used as its currency.