Hi Pradeep,
Thanks for using Syncfusion
product.
By default, y values of the point
has been shown in labels, if you want to customize the label, make use of the “text”
property of each point.
[JS]
{x:10, y:10, text:’others 10%’}
Please refer the drill down
sample from the below link.
http://js.syncfusion.com/demos/beta/#!/flat/chart/User%20Interaction/DrillDown
Thanks,
Gowrimathi S