Nokia x300
Delay and irresponsibility

Hi am krishna doing mbbs third year in cmc coimbatore..my head set was not working properly. so i gave it to nokia care in jan 5... still they haven't return back me my head phone... weekly twice am calling and enquiring about the status, they are ayin the same answer tat my head phone is in head office, will come soon... their reply is not so satisfactory for me... i need a solution for this... my job sheet no. in nokia care is (110105/11)... I will be happy if i get a immediate response