10 Things one should never do in an Interview

1. Never turn up late.

2. Do not show that you are unprepared.

3. Do not dress inappropriately.

4. Poor body language.

5. Never lie about skills and experiences.

Source

6. Do not talk about holidays and benefits.

7. Sitting down before invited.

8. Do not get chummy with your interviewer.

9. Not following up.

10. Using profane language.