Best to imagine that it did happen, and that we do not know the details of how it happened. Both true.
SW, I am a Hindu. The trouble here is that we Hindu's have our own version of a flood
What makes your story true? These floods are mutually exclusive, so unless you give some evidence to support your claim, the first story gets credit of being original. It is time for details.
Oh, by the way, there are gods in both stories. So god did it wouldn't probably work in your favor.