HTC — Crack on my htc 820 desire while charging

Address:	Ernakulam, Kerala, 683561
Website:	www.HTC.com/in

I bought new HTC 820 desire a month back and have been using hit ever since.how ever, 2 days back I put the phone on charging only to find a crack on its display diagonally later.I m not sure what really happened has the phone was neither dropped no hit anywhere. I took the phone to an authorized service center at behavioural, ernakulam. But they informed me that they could not do anything and asked me to contact the customer service. I spoke to one of the customer representatives ref(16IND[protected] and was asked to sent and email attaching the shapes of the broken display a fews snaps have, therefore, been attached her which. Therefore I requested you to help me replaced the display that was broken with out any mistake from my end.