Facebook provides the option of changing your display language. It is good to use our own language rather than going for the default one, i.e. English. Here are some simple steps on how to change the language. Go to Account -> Account Settings, select Language. Click the primary language dropdown where you can see all the languages available. Some of the languages are Tamil, Hindi are ones that are mostly used in India.
When you want to select Tamil select Tamil from the drop down and your page will look like this,
When you want to select Hindi select Hindi from the drop down and your page will look like this,