delay in service of my htc wildfire handset

Location/place: nagpur

Name of company/service: HTC

Location/place: nagpur maharastra
Name of company/service: HTC

i hv given ma cell phone to service center for reprinng of touch screen n os update on 04/06/2012, but till now i havent got ma phone back or any satisfying answer from that side, that when my cell is coming back,, its more then one month, n on d very first day i ws told that ma cell will come back in 15 days…
i m going to service center every week, but they r not responding,everytime i go to service centre they say that they havent received any details about my cell, so plz come next week,
now how will i go there again n again…
plz help me out….

Thanks & Regards
kailash Gaur
8600043053