Hat-trick from Hirani; '3 Idiots' once again proved that Aamir Khan knows the turf he treads. Hire him, and he also does some generous publicity for you as his fancy-dress-trips to the Indian hinterland proved. '3 Idiots' was unpretentious fun. The box office is still bursting at its seams, and for all practical purposes, '3 Idiots' will be the biggest hit of the year.