I applied through college or university. I interviewed at Cognizant (Calcutta) in Sep 2019
Interview
It was three rounds.
Aptitude, Technical interview, HR round.
Aptitude can be practiced via faceprep. They have questions and mock test related to Cognizant.
Technical they mainly ask about final year project and skills mentioned in CV specially JAVA and algorithms like quick sort.
Smooth interview process as well as it was very interesting with ample feedback at the end. I enjoyed the conversation a lot and coverted the interview and accepted the offer.
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