Aamir Khan and R. Madhavan are part of the cast of 3 Idiots .
Starring Aamir Khan , R. Madhavan , Sharman Joshi , Kareena Kapoor , Boman Irani and Omi Vaidya , the film follows the friendship of three students at an Indian engineering college and is a satire about the social pressures under an Indian education system .
3 Idiots