In which one of the following countries, is Tamil a major language?

1. The question asks in which of the listed countries Tamil is a major language. 2. Myanmar: Burmese is the official language. Tamil is spoken by a minority. 3. Indonesia: Indonesian is the official language. Tamil is spoken by a small minority. 4. Mauritius: English and French are official, Mauritian Creole is widely spoken. Tamil is spoken by a significant minority, but not typically considered 'major' in the context of national languages. 5. Singapore: English, Malay, Mandarin, and Tamil are the four official languages. Tamil holds official status and is used in education and media, making it a major language in the Singaporean context.