SELECT cast( GROUP_CONCAT( CONCAT('') ORDER BY IF (pn.panel_id='138', '', 'pn.company_name') SEPARATOR '')as char)Company_Name FROM Centre_Panel cp INNER JOIN f_panel_master pn ON cp.PanelId=pn.panel_id WHERE cp.CentreId='1' AND cp.isActive=1 and pn.panel_code<>'' AND pn.isActive=1 order by pn.Panel_ID asc