Nokia6300
Not reparing my phone under warranty

Sir, my phone not reparing under warrenty your service center in rdc ghaziabad we are going to your service center 7/07, we are purchage my hend set 8/07 your service center not recived my phone under warranty valid date 07/07 (my hend set modle is 6300) we are purchage bill no inv/1082 08/07