I applied through university. The process took 4 days. I interviewed at Kantar (New Delhi) in Dec 2012
Interview
Written Test followed by Puzzles followed by HR and then technical round.
Written test had logical and critical reasoning questions
Puzzles were about how one reads data
Technical round was the telephonic one and tested basics of Market research like - sampling, q're design, scale used etc.
Some case based questions were also asked
Interview questions [1]
Question 1
Logical reasoning in written
Puzzles were about data reading and technical was on Market research nuances