I applied in-person. The process took 1+ week. I interviewed at Prizm Payment Services (Chennai) in Sep 2014
Interview
HR Interview, You can clear it easily if you can speak Hindi and English fluently(somewhat fluent) and be confident and honest.After HR someone from different teams will interview you to know about you whether you are suitable for their team or not.Just Be confident and show them you eagerly want the job from your answers.
Interview questions [1]
Question 1
Why want this job?you are from aeronautical field and have good academic records,what is the reason?