My dear Prashanth, my friends in citeHR expressed their views and offered a few suggestions which are very much valid and fit for adoption. To me, this very question shows how far you lack in self-confidence and feel dejected. First of all, you must consider an interview as an occasion to prove your mettle instead of fearing it as an occasion to get rejected.
I have been on the interview panel in my erstwhile organization a number of times, and we, the interviewers, primarily look at the body language and appearance of the people interviewed. Those who are tense would show their nervous manifestations overtly and would not reply properly, although they are good in their subjects. Tension ties you down.
Hence, my dear young man, relax and program your mind in such a way that you attend your next interview boldly with abundant self-confidence. Enter the interview room with a majestic gait and a straight gaze, showing absolute confidence in your attitude and behavior. Understand the questions properly, know what is expected as an answer, and give your reply in short and sharp. Treat the interviewers as your dearest revered friends and feel free to give your replies.
Hope you are confident now! That's good, my young man. The next interview will be successful for you. Intimate me when you get the job.
Best of luck...
Regards, Ganesh Ramachandran Psychological Counselor, Clinical Hypnotherapist, NLP Trainer, Reiki Master-Healer Founder Life Improvement Mind Engineering (LIME)