If you are going for job interview, then your interview may be taken in 3 to 4 rounds like HR Round,Technical Round,Group Discussion and final one is Telephonic Interview.No need to worry with any round,just put your hard and smart work in the interview.
(1) HR Round:-HR round is responsible to know about your self such as are you able for this job post or not.
(2) Technical Round:-In the technical round , interviewer will examine your technical skills such as Java,Dot net and so on.
(3) Group Discussion:-Group Discussion is the best one way to judge your communication skills and many more.
(4) Telephonic Interview:- Today most of the companies or firm are widely using this process for selecting a good candidate for a job post.