I applied through college or university. The process took 1 day. I interviewed at CBS Techno (New Delhi) in Dec 2013
Interview
Interview is followed by a written test. Written test will test the very basics of mechanical engineering and basic calculus. They would basically ask you to say about the projects you have done and they would go into detail about one of them.
Interview questions [1]
Question 1
Self introduction and discussion of my projects I have done. And my future goals etc. Just some standard interview questions