Is there any way by which I can generate xsd from wsdl. Any link or tool will also do. What is the simplest way to do this?
You can use SoapUI: http://www.soapui.org/ This is a generally handy program. Make a new project, connect to the WSDL link, then right click on the project and say "Show interface viewer". Under "Schemas" on the left you can see the XSD.
SoapUI can do many things though!