I applied online. The process took 3 weeks. I interviewed at Cognizant (Bengaluru) in Aug 2014
Interview
They take about 2-3 weeks for interview call, Make sure you have brushed up all topics mentioned in your CV. Feel free to say no, if you don't know the answer.
First there will be a screening round ,most probably a telephonic or video call followed by a Managerial round
Lastly a client round where you will be asked about your day to day contribution in project
I applied through an employee referral. The process took 1 week. I interviewed at Cognizant (Winston-Salem, NC)
Interview
Screening from a cognizant employee via a phone/teams call, sometime involving a scenario based coding question or a tell me a time when kind of questions, then a client round interview.