ssrs 2008 CAML

My data source for the SSRS Report 2008 R2  is Sharepoint list 2010.
I have parameters by name Section and Project Lead and are cascading. How to implement multi select for Section parameter and Project Lead parameter. How do I write CAML query to implement the same. Any help will be appreciated.screenshot1.png
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nishant joshiTechnology Development ConsultantCommented:
You need to apply changes to below two items:

In report,open parameter for section and choose multi select option.
In CAML query,I don't have that much idea but you can write in clause for selected parameter as you will receive comma separated value.

check below link for in clause.

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