CallService.php

<?php
  // CLASS
  class DebugSoapClient extends SoapClient {
    public $sendRequest = true;
    public $printRequest = false;
    public $formatXML = false;

    public function __doRequest($request, $location, $action, $version, $one_way=0) {
      if ( $this->printRequest ) {
        if ( !$this->formatXML ) {
          $out = $request;
        }
        else {
          $doc = new DOMDocument;
          $doc->preserveWhiteSpace = false;
          $doc->loadxml($request);
          $doc->formatOutput = true;
          $out = $doc->savexml();
        }
        echo $out;
      }

      if ( $this->sendRequest ) {
        return parent::__doRequest($request, $location, $action, $version, $one_way);
      }
      else {
        return '';
      }
    }
  }

  // CORE PHP
	$soap = new DebugSoapClient('http://netconnect.bluedart.com/Demo/ShippingAPI/Finder/ServiceFinderQuery.svc?wsdl',
	array(
	'trace' 							=> 1,
	'style'								=> SOAP_DOCUMENT,
	'use'									=> SOAP_LITERAL,
	'soap_version' 				=> SOAP_1_2
	));

	$soap->__setLocation("http://netconnect.bluedart.com/Demo/ShippingAPI/Finder/ServiceFinderQuery.svc");

	$soap->sendRequest = true;
	$soap->printRequest = false;
	$soap->formatXML = true;


	$actionHeader = new SoapHeader('http://www.w3.org/2005/08/addressing','Action','http://tempuri.org/IServiceFinderQuery/GetServicesforPincode',true);
	$soap->__setSoapHeaders($actionHeader);

  $paramsLive = array('pinCode' => '400078',
  		 'profile' =>
  		 array(
  		 	'Api_type' => 'S',
  			'LicenceKey'=>'',
  			'LoginID'=>'',
  			'Version'=>'1.3')
  			);

  $params = array('pinCode' => '400078',
  		 'profile' =>
  		 array(
  		 	'Api_type' => 'S',
  			'Area'=>'',
  			'Customercode'=>'',
  			'IsAdmin'=>'',
  			'LicenceKey'=>'',
  			'LoginID'=>'',
  			'Password'=>'',
  			'Version'=>'1.3')
  			);

// Here I call my external function
$result = $soap->__soapCall('GetServicesforPincode',array($params));
echo '<h2>Result</h2><pre>'; print_r($result); echo '</pre>';