Phone call and then we talked about my current research project and then he tells something about his current research project. After that I asked some questions about those projects and then show interest to him. After this we talked about some of his history and chat about the current research in OS area, this is mainly about what paper I have review...

Got a call from recruiter and asked me to accept the interview call invitation, Had 2 interviews on same day Third was on a different day Again had a 4th round sone other day Finally managerial was 5th At last HR round . Salary discussion and offer letter was sent