Hi Rahul Khinvasara,
I am glad to have the opportunity to help you again.
There is a video called Design Time Support For Parameterized Queries
that I believe will give you the answer of your question.
The bottom line is to add public property or method to your report which sets the parameters of the report. Then from the page(form) that displays the report to set that properties of the report and refresh the report.
In addition to the movie you can take a look at the attached sample project, which covers the same situation, but in a web page.
I hope this information helps.
the Telerik team