India, June 25 -- Reliance Industries Chairman Mukesh Ambani has revealed the one principle that he has followed for over 40 years in his career. In an interview with McKinsey & Co, the richest man in India revealed that he set an "eye contact" rule for top leadership at Reliance to show sincerity to employees.

"About 30 or 40 years ago, I said that another principle I should personally have is to look any of my employees in the eye. At Reliance, we tell our leaders that it's important to have eye contact because then you express your sincerity. I think we can put all our principles to our top 100 leaders by saying, "These are our principles. We'll do what is right. Whatever we do, we should be able to look at each other and say we are n...