Hi Janardhan,
I remember when I did my first ever interview; it was for just a CRM executive. Unfortunately, I messed it up very badly because I was very nervous, and it showed on my face. Sadly enough, I also struggled with the job description. I was very upset after the interview. I recall one of my senior colleagues coming up to me and giving me some tips that have helped me ever since. I would like to discuss them with you all.
1. Do your homework very well. Read the job description and the role information for which you are going to interview the candidate. You have to show that you know everything about the job. Try searching the internet or any other relevant material for the role details.
2. Try to know more about the candidate if you can. This helps as you can ask them more questions and research their skills and abilities. Nowadays, there is hardly any time for that. But a quick reading of their profile beforehand helps.
3. Try to do the interview with yourself. For example, before the precise interview date, an hour ago or a day ago (whatever suits), do a quick interview asking all sorts of questions.
4. One of the very useful things I learned was practicing in front of a mirror. In my theatre days, I used to practice my dialogues in front of a mirror and could identify where I lacked expression. In this case, you can analyze on which question you might look a little nervous.
5. The last piece of advice would be to develop and build more self-confidence. You are there to give the job, not to give an interview. So, you need not worry.
If, however, you find yourself at a loss for words at a crucial time, try to act a bit casual, and you can use Hindi or any other language that both you and the candidate understand.
I believe these suggestions may help you.
Regards,
Anuradha