New Delhi, Nov. 2 -- Ever walked out of a job interview thinking that you nailed it, only to be hit with a rejection email? You are not alone. The common culprit in such cases is not the content of your answers, but rather the powerful, often-ignored aspect - body language - where most people fail.

That is the insight Indian entrepreneur and content creator Ankur Warikoo shared in a LinkedIn post, explaining that the words candidates repeatedly rehearse before an interview actually contribute a surprisingly small fraction to their overall success.

"You can rehearse your words a hundred times. But if your body language doesn't align with your responses, it doesn't make an impact," he wrote in the LinkedIn post.

The entrepreneur, who has...