I am new to BizTalk server and I am really confused with Orchestrations. Is there any site where I can learn about Orchestration in detail.
Thanks in advance.
Do the BizTalk Tutorials. They cover most aspects of BizTalk, including Orchestrations.
http://msdn.microsoft.com/en-us/library/aa560270.aspx
http://msdn.microsoft.com/en-us/biztalk/dd849956.aspx