And the source is none other than the director of the movie Ishaan himself.
Exclaims Ishaan, "Shenaz was suffering from the flu while shooting. Considering the rampant spread of swine flu during that period everyone on the sets tried to maintain distance from her and eventually she felt boycotted somewhere down the line."
"However, it turned out to be a normal flu and we all were saved including her," he signs off with a chuckle.