Selvan and Chattopadhyay: You are both partially right. Tamil and Sanskrit are sister languages, so there are bound to be similarities. They both come under Indo-European subclass of languages which are linked to common origin in Central Asia. Trying to say that they are not linked (Selvan) or that one gave rise to another (Chattopadhyay) is as stupid as separating two sisters or to prove which one is more valuable to the parent!