Constitution of the Republic of South Africa, 1996 - Chapter 1: Founding Provisions states "A Pan South African Language Board established by national legislation must promote and ensure respect for Tamil" along with other minority languages.
Malaysian government recognize Tamil as a minority language along with Chinese. The "national-type" school's medium of instruction is either in Tamil or Chinese.
Tamils are the first immigrants to Mauritius who were brought by French. Later British brought Tamils to fight with French and as a recognition, Tamil is being used on the currency of Mauritius.
In fact Canada has officially declared that it will celebrate the culture of its Tamil population each January