Required Vital Advised

Question

Hello @Author a i need a vital advise from all of you. I completed my pre-final(3rd Year) year in B.Tech. Now a company is coming in our college for placement  on 31th May  . This is my first interview and i don't know what should i do to  prepare myself for interview  .

I am also worried about that i don't have a deep knowledge in any specific field(technology).

Please Guide me what things should  i remembers  or considered during interview and also tell me what kind of things(activity) should i neglected during interview.

Please Help Me@@@..........