Address the interviewer with a firm handshake, know your
interviewer's full name and title.
Be punctual.
Have a copy of your resume ready with you along with licenses
and certificates in case the interviewer asks for it. You
can use the resume to refer during the interview.
Emphasize accomplishments.
Avoid "yes" and "no" responses. Answer
questions fully.
Do not speak to fast. Speak clearly.
Do not make any negative remarks about present or previous
employers.
Make sure your interviewer knows you are interested in
the job.
Look interested and enthusiastic when you talk .
Finally do not forget the golden word - "Thank You".