HTC — Manufacturing defect

Address:

Kolkata, West Bengal

I purchased a htc desire u dual sim phone in the month of december 2013 from spice . my phone is not good as no of time i visited the htc sevice center in kolkata and they always make it and ur phone is ready but aftersome time it again got the same problrm i told them to replace my phone and the refuse it by saying that this step should be taken by htc care we cannot do this .so my phone is still in service center as the screen of phone is blackout and touch prblem so i want my money back or replacement of my htcphone the submitting date is 02/07/2014 at htcservice center kolkata e-mall with complain no is Q8S[protected] IMEI NO-[protected].plz reply and replace my phone