Replacement of handset

I have puchased nokia 2630 on 20-09-07. after 5 days upper key pad of the set not working. I approached nokia mobile clinic Jalandhar, On 8-10-07 i gave my set to nokia mobile clinic shop no :4, green mart complex, modl town road vide job sheet no:- 12821 dated 8-10-07 jalandhar for necessary service. On 9-10-07 they send my set to chandigarh service centre. I approach so many times jalandhar nokia mobile clinic as well as chandigarh office. On 24-10-07 i again give my complaint to chandigarh costomer care (complaint no: 2-2JXIWR). but till today i have not get any type of response frm their side.