Is Chetan Bhagat "Inspired"?

Right, so I'm reading this book called "One night @ the call center" by Chetan Bhagat. Chetan is one of those rare Indian authors who writes in English, but whose target audience actually are English speakers living in India. Unlike your Rushdie or Arundhati Roy (or V.S. Naipaul and countless others of that ilk), he does not concentrate on the side of India that the average Indian just does not encounter that often. Which is to say, he is an Indian author who writes like an Indian author and refrains from adopting the condescending western attitude that one sees in the writings of the aforementioned authors. Whats even better however is that this guy's books are actually priced low enough to be affordable to most of India's reading public.

With that last paragraph, I hope to firmly establish that I like what Chetan's doing and would definitely like to see more writing like his. However, the reason I wrote up this post is because I found something quite startling in the book. Around page 161, some of the characters in the book decide to play a game called "radio jockey". What goes on after that is almost an exact recreation of this real life event (happened on Andy Savage's show) that became something of an urban legend on the Internet a few years ago. Now what I want to know is that whether or not there is a game called "radio jockey" or if Chetan's just been "inspired" by Andy Savage's show. Can anybody out there answer that? Because if he has picked up this scenario just to incorporate it into his story, I think he ought to at least acknowledge the fact that it is something that actually happened. I don't write a lot of fiction (come to think of it, I don't think I've written any at all) and I don't know what the ethical and moral constraints are when one fictionalizes a real life incident like this, so I'd like someone to tell me if what he's done was indeed the right thing to do.