Premise: Mukesh Dhirubhai Ambani ( born 19 April 1957 ) is an Indian business magnate who is the chairman , managing director and largest shareholder of Reliance Industries Limited ( RIL ) , a Fortune Global 500 company and India 's second-most valuable company by market value . He was the chairman of the board of Indian Institute of Management Bangalore , which is one of the leading business schools in India .
Hypothesis: Mukesh Ambani has acted as an administrative head of something.
Label: ENTAILMENT