I applied through college or university. The process took 1 day. I interviewed at Persistent Systems (Kharagpur, West Bengal) in Dec 2012
Interview
Campus Recruitment; First apti, then basic programming skills and then essay writing.. followed by an over the phone interview on Coding skills. Ended with a HR interview. The whole procedure was completed in a day. The apti, basic skils and essay writing was an online test (MCQ type).I received an offer in the evening and gave my acceptance the following morning.
Interview questions [1]
Question 1
Most of them were on basics of C and data structures.