HTC India — Htc desire 626 dual sim handset bend

Address:

Jabalpur, Madhya Pradesh, 482004

I have some issue regarding my htc, in my htc 626 dual sim. It is overheating during working and in charging time and battery drainage, flactuation of battery and due to which by handset automatically bends.
Im from jabalpur, mp and i complaint this problem to the service center (Anika service center)of htc in jabalpur they refuses to submit my handset, meanwhile i. Call in customer care who talk to a person of service center but they refuses and says to got email by official htc and then only they collect my handset. I clearly mentioned that my handset is naturally bending, it neither fell nor broken from anywhere. I here attach some files which clearly shows the bending of handest from center.Hence i request you to plz take appropriate action further and quick and plz tell me what action will you take . Thank you