Find all the details of the company, its board of directors and other such details before the interview.
Make up a small list of important things to carry to the interview with you.
Make sure you can describe "who you are" in maximum 30-45 seconds. You do not need to explain each and every project in details. Interviewer is only looking to find out who you are.
Create a list of good questions to ask the employer. Asking questions shows your eagerness to take over the work and post with full responsibility.
Make sure you are comfortable with every line on your resume.
Proper attire is the key to creating the perfect first impression while attending an interview. Dress conservatively and avoid the use of strong perfume, cologne, or heavy makeup.
Your interview is your time to sell yourself. Use it aptly by introducing yourself with a smile and firm handshake, maintaining good eye contact with the employer and showing a genuine interest in his concerns.
Listen cautiously to the employer's question and if required take a small pause before answering difficult questions. This will demonstrate your good listening skills and verbal communication skills.
Show your problem solving skills and positivity by answering positively to negative questions.
Maintain interview ethics and provide them with only the correct information and qualification details.
Do not discuss salary figures unless initiated by the employer. Take initiative and try to know the next step for you after the interview.