I applied through university. The process took 2 days. I interviewed at Caterpillar (Chennai) in Sept 2017
Interview
Three rounds - writtern test, GD, f2f interview
Written test has apptitude, programming and technical
Group discussion - they consider on how you take the topic, how your approaches towards topic, how you present your views and how you speak with others
Interview questions [1]
Question 1
Most questions are based on programming like which data type will you choose for a give problem...