St Courier — Not response & delivery

My client send the package from coimbatore to tirupur in the awb [protected].. For past three days not received the package.. I have face many problem with st courier person i enquire in office they are not giving proper responce... On the mean time i try to contact several number they are not responsible not picking phone call.. I have mention the number below [protected], [protected], [protected]... Please deactivate this number from your website without attending y this number in your website..
Like this st courier person work how we send the courier with your concern...