every time ajax call get post multiple request

var jsonPostData = {
            p_ReportID: $('#ddlReportTitle').val(),
            p_RecordList: mediaID
        }

$.ajax({

            type: 'POST',
            dataType: 'json',
            url: "some url",
            contentType: 'application/json; charset=utf-8',
            data: JSON.stringify(jsonPostData),
            global: false,
            success: OnAddToFeedsReportSuccess,
            error: OnAddToFeedsReportFail
        });