Bhagwan, You have the wsdl url, just link your IDE to it. With the wsdl file you can either download all the stubs or can use dynamic invocation to call the appropriate function on the webservice. I hope this helps you.
>This is very good tutorial for those who don't >know how to create web service using eclipse.
>I want to send the data to the exsting web >service of our vender. below is the URL >https://www.couponzap.com/webservice.php/wsdl?wsdl >How can achieve this task using eclipse. can you >explain the process?