India, May 4 -- Amit Tandon has a simple funda: "I usually retire jokes that don't work, otherwise people might stop coming to my shows.". But he admits that one of the most puzzling things in comedy is inconsistency. One man's hilarious is another man's deadpan silence. He explains, "There have been several instances where a joke worked wonders with one audience and completely tanked with another - even though I said it the exact same way. That's the beautiful unpredictability of live comedy."...