While researching yourself, identify your experience and skills that is important and ask yourself following interview questions:
What are my goals?
What are my strength and weakness?
What are my good qualities to direct employer`s attention?
Knowledge about the Occupation :
Research about the occupation is necessary because this information will help you to convince employer why you are suitable for job. Know about how to deal with salary related factors. Have updates about the occupation. Do not forget to carry original documents which proves your educational qualifications.
Knowledge about the Organization :
Have knowledge about company, location, size, its current position in market, its history and reputation, recent changes, products and services. This information can be obtained from internet, current and past employees of the organization.
Dressing and Appearance:
Your performance as candidate not only depends on how well you answer the interview questions, but also on physical appearance and look.
"The way a person dresses is the single biggest non-verbal communication you make about yourself." Quoted by Joe Hodowanes,
Dressing for men involves long sleeved shirt (not short shirt) without rolling up sleeves. Tie is optional. Belts should match your footings. Have a proper hair dressing. Dressing for women involves business suits, Footings and hair dressing should be appropriate.
Read my NPCIL interview experience
Interview atmosphere: Generally interview generally consists of two or more than two members. One of them is chairman of the interview who is not the subject expert but he generally starts the interview or opens the interview. He asks following general interview questions:
Tell me about yourself (One of the most asked question in any interview).
Generally interviewer expects details like full name, family background, and educational qualifications, & relevant experience if any. Do not be so nervous. Do not show this by your body language.