Hello Sowmya,
First of all I would like to apologize for the delayed answer.
As you do not want to change to Hierarchical ListView, I can see that you are using static date and templates alon with the same value property. This is why I would suggest you to just change the dataSource of the ListView based on the requirements and the data that you want to show. Please take a look at the following example:
http://jsbin.com/AjeXojA/2/
Regards,
Kiril Nikolov
Telerik
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