In infy once the resume is uploaded through internal reference,you will get a call from the HR executive first to fix your available slot for interview and same will be communicated to you over mail.
Before attending the interview you are asked to fill the details of your qualification,experience,salary structure and your academic scores semister wise and handover the same during interview.
In the interview mainly they will focus on your skill set and the role you are currently doing.
They expect you to answer mostly about the process you followed during your job, like how you handle a CR i.e how the CR is reached you,how you fix,test and deliver it.
you need to use the industry accepted terminology not like a layman definitions.