I applied through college or university. I interviewed at Cognizant in Nov 2013
Interview
It was an on campus drive. There were 3 rounds. First round was an online test which had some questions based on English, Aptitude and Logical Reasoning. Then there was an technical interview in which they asked basic questions regarding your technical knowledge like fibonacci etc. At the end there was an HR interview which also had some general questions about yourself.
I applied through college or university. The process took 2 days. I interviewed at Cognizant (Chennai) in Oct 2010
Interview
On campus hiring . Once round of aptitude and one round of interview. The interview was easy and was conducted by one interviewer. NO group discussion. The offer was given on the same day
I applied through college or university. The process took 1 day. I interviewed at Cognizant
Interview
Simple process. Took one day. Aptitude test of moderate difficulty but short on time. Easy interview questions on basic HR and communication. Little technical knowledge of own subject could be asked.