Katrina kaif and Ranbir argue with IIM students

Ever since he lost the opportunity to be a part of Raj Kumar Hirani's 3 Idiots Ranbir Kapoor has been looking for a reason to visit the Indian Institute Of Management (IIM) in Bangalore where the film was shot.Ranbir has been telling friends, he didn't mind missing out on the movie. But he did mind not being able to visit the IIM campus in Bangalore.The opportunity to do so felll into