Hello Srinivasan,
The height of the Grid should be set explicitly to be the same as the height of the splitter it cannot be automatically synconized. As for the width, if you do not specify width, or specify width in percents the width should remain as big as the width of the splitter pane is.
Check the following examples to get a better idea what I tried to explain, you can even modify and experiment with the different settings:
http://dojo.telerik.com/@pesho/uriSu/2
http://dojo.telerik.com/@pesho/uriSu/3
Regards,
Petur Subev
Telerik
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