The star apparently took antibiotics in order to make an appearance at the film's opening. He had just returned from a nationwide, whirlwind promotional tour for the comedy.
A source told Real Bollywood: "When Aamir’s wife Kiran Rao, got concerned whether he would be able to face the huge crowd in such a state, with a twinkle in his eye, Aamir smiled saying that isn’t that why we make films – to get mobbed?
"And after saying that he immediately got surrounded literally by a sea of humanity, all congratulating him for his act in 3 Idiots.”
Cinema owners have been showing the film up to 37 times a day to cope with audience demand.