Tata Sons’ decision on Monday to replace Cyrus Mistry as Chairman has surprised many. Former chief Ratan Tata will now take over for a period of four months until a selection committee finds a successor. At this moment, though speculations are rife, the reason behind this surprise move is unclear. The committee comprises Ratan N Tata, Venu Srinivasan, Amit Chandra, Ronen Sen and Lord Kumar Bhattacharyya.
Here’s a look at the number of years the group’s chairmen have held their positions: