What is important thing while facing interview?

Go to the interview prepared- do your homework. Read about the company before you go to the interview. effective communication is a key skill in such a situation.  Don`t talk too much, on the other hand, don't keep silent. Maintain a ratio of% talking and% listening.  Be active during the interview. Stay calm and confident. 

Confidence is key to success during interview.

Confidence and well prepared and practice.