The Shapoorji Pallonji Group was headed by the man who had an estimated wealth of what figure, as of September 2016?
Shapoorji Pallonji Group:  It was headed by Pallonji Mistry until 2012, when he announced his retirement and his son Shapoor Mistry took charge. Pallonji Mistry:  According to "Forbes", his wealth is estimated to be US$16.9 billion as of September 2016.
US$16.9 billion