Vaalga thamil

It was a real goosebump moment when AR Rahman won the Oscar. I was over the moon when he said 'எல்லாப்புகழும் இறைவனுக்கே'. But what might escape the viewers is the fact that he said ' I want to say something in Thamizh' and not Tamil. Simple matter, considering the fact that everyone is accustomed to saying and writing 'Tamil' when speaking in English (and especially when addressing a foreign audience), but still......