I applied through college or university. The process took 2 days. I interviewed at Cognizant in Sep 2013
Interview
There will be an aptitude test which has only quantitative aptitude and then verbal.
Then there will be a telephone interview (some times it wont be there).
Then there will e a Technical interview.
Finally there will be a HR interview.
Interview questions [1]
Question 1
Technical questions may be in depth it depends on the person who ask question.
There will be questions based on C , Data Structures , Network , DBMS and OS
Introduction
Basic of Oops and Programming
2 Coding Questions
Reverse String and Number
Question on Java and SQL Spring Boot and Other programing related questions like hashing map vs hash table why they are used
It was three round interview with written test and 2 easy interviews. One technical and one with HR for compensation discussion. All were conducted on the same day. In order to get selected need to stand out and answer uniquely.