The question of "what kind of evidence would make an atheist's mind?" is actually not something any atheist can easily answer. This is because "do you believe in a ghighidabun?" must necessarily be followed by "what is that?". Evidence for any claim can only be evaluated when the claim is well-defined.
Return of the Hindu Atheist
Our previous caller, the Neo Charvak is back. But the confusion remains. Still no clear definition and still a lot of prevarication.