Sony Ericsson W580i — bad behaviour of the p9 customer care shop

i am dhaval gandhi from surat, gujarat india. i boubht sony ericsoon w580i 2 months before.There was a problem in the body cover of the cell w580i and i went to customer care p9 and they gave me some time period so that it will get fixed within few days, i went to that duration and they give me another time for few days and i called them again and they said that they have fixed the cell phone, so they called me to receive the fone. but i went there, it was not fixed and then when i said that i will complaint about them, then they said "do whatever u want to do, we are not going to fix your cell."

since i've experienced this problem. i have logged a complaint in your site for the results. So plz kindly favour my complaint and solve my problem