Nokia — nokia 6500 slide

sir,
i am mukesh kumar from jammu. I purchage nokia 6500
slide on 24 may 09 with defect memory card related problem & hang up problem. Dealer refuse to change it. I deposit it to nokia care on 08 jun 09 & received it on 25 jun 09. Memory card problem solved but hang up problem not . After five days it totely switch off and not switch on . I deposit it again to nokia care on 13 jul 09 & received it on 03 aug 09. When i check it it has problem same, i tell the matter to nokia care. & request to replace it. They send it again delhi on same day 03 aug 09. Sir it is requested to change the mobile due to defect again and again. After purchage the mobile i am not getting result of it and other way i am harrasing to go nokia care again and again.., please c check the matter and solve my problem. My mobile details-
.name- nokia 6500
Date of purchage- 24/05/09
EMIE No. - [protected].
Purchage from- Bedi cycle works, city chowk, jammu. cont no, no.-[protected] Bill no- 2077. Nokia care address- TECH JK 46 B/B GHANDHI NAGAR, OPP OBC BANK, JAMMU. FIRST Job sheet no[protected]/090608/25. second job sheet no.[protected]/090714/!6