Nokia 6233 — mobile camera is not working properly

dear sir,

i was purchased a nokia 6233 handset from bafna communication bassi dist- chittorgarh (raj.) from bill no. 68
after some months mobile camera is not working properly. i was go to nokia care chittorgarh. mr. vishnu mundra the manger said there is no no problem and said all nokia 6233 in same problem. so dont worry.
and after all i have more panic from my mobile camera nokia care chittorgarh is not made service of nokia 6233. and my waaranty period has almost expired. so please help me as soon as.