I don't know much about that, I'm afraid. My best guess (and this is but a guess, I don't have sources for this) is that when the government sold the idea of t

I don't know much about that, I'm afraid. My best guess (and this is but a guess, I don't have sources for this) is that when the government sold the idea of the 'Mother Tongue' policy, they decided to include Tamil (the native language of many of the immigrants) to make it fair.