What is the mother tongue of Mauritius?

The mother tongue is Mauritian Creole. Official language is English, however, in almost every official task, Mauritians speak French. Other ancestry language is the Bhojpuri. Due to the presence of different religions community/ multicultural language is not a barrier. But, Mauritians have a vast knowledge of different languages like Hindi, Urdu, Marathi, Tamil, Telegu, Mandarin, etc. They also learn other European languages like Spanish, German, etc.