HTC India — Complaint regarding service

Address:

Jaipur, Rajasthan, 302021

I have purchased my device last 5 month ago and 6 times i have visited to the center for single problem but no proper solution is there..help me as soon as possible..
problem with the phone=it heats up and lock the screen after that stops the finger sensor to work..dn i have to unlock the device with pattern and then error on the screen ur sence home is not working..and then it hanks the phone badly.
kindly help me am fedup with the service ..i have tried many time this is my last mail to u to get solve my problem..if it stil remains..i will quit the htc forever and recomend my knowns ..to get out of htc ..really fedup..wasting of money with the company