I applied through college or university. The process took 1 day. I interviewed at Cognizant (Calcutta) in Sep 2011
Interview
It included preliminary aptitude test in verbal and non verbal reasoning and english proficiency. Then was the interview round where HR based questions asked, along with technical competency in Data Structures, Algorithms, Operating Systems. Details of Final year project in engineering curriculum was also interrogated.
Interview questions [1]
Question 1
English aptitude section was a bit difficult as it contained large paragraphs to read and understood in a very short time.
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.