Iberry Asia — Phone camera problem

Good Morning, This is Arun, I heard about ur website regarding u people are doing such a gud work like help our kinda helpless and unsatisfied customers...please try to help me also as u helped thousand others.i m having a issue regarding the company iberry( mobile auxus nuclea n1).this phone i had purchased online from flipkart on 22 jan 2014. this phone was working good untill april. after this it started giving cam problem ...i visited to thier authorized service centre in madgaon, goa. on 9 april 2014. they people assured in 15 days your problem willl get resoved ..bt it doesnt.on 26 april they gave me back my mobile in the same condition..then waiting alot again i given my phone on 29 may 2014 with latest work order RVSRN1405MCG00041. Till today i did nt get any update on my phone .they even not picking up my calls also ..pls help me sir thank you