$.ajax({
        type: "POST",
        url: ajaxurl+ajaxcall,
        cache: false,
        data: sendData,
        success: function(data){
        var obj = $.parseJSON(data);

            if(obj)
            {
               itechAjaxResponse(obj,iCall,sendData);
            }

                    },
         error: function(data){
          alert('Error while request..');
         }
           });