HTC — Need replacement

Address:

Chennai, Tamil Nadu

Hi.. I just gave my mobile to the service center for the network issue... They took around 3weeks for repairing... When I went to collect my mobile.. They broke the back panel of my mobile.. (HTC One e8)...I ask for replacement but they are not responding properly...because of their careless they broke my panel.. I don't no what to do... I want to raise a complain regrading this... What should I do...? I still have 5months warranty I am from Chennai Abusali ([protected])