Hi Balaram Barange,
This should be fairly straightforward with the DragDrop.
Every dragged item looks for a drop target, the TabItems can be made drop targets by setting their AllowDrop property. Then when the DropQuery event fires the TabItems can be selected.
The attached example shows how items can be moved across TreeViews over a Tab with DragDrop.
Here is a video of how this works:
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items.