Who is virus in 3 idiots?

In the film "3 Idiots," Virus, played by Boman Irani, is the strict and traditional director of the Imperial College of Engineering. He represents the rigid educational system that prioritizes rote learning over creativity and real understanding. His character often clashes with the film's protagonists, who challenge conventional norms and advocate for a more innovative approach to education. Virus's obsession with grades and success highlights the pressures faced by students in a highly competitive academic environment.