Lenovo/Motorola service centre,ashiyana galaxy,first floor,roim no_12,exhibition road,patna - mobile phone damage

on **/**/** ,I handed over my Motorola e* plus handset at patna service centre at**:** hrs for repair.it is under warranty and handed over due to on/off issue,.properly checked by service centre and no damage or tempered found in handset during receiving.they not written any remark regarding damaged or tempered.on same day I found messege at evening that my handset made ready and ready to pickup.tidy on **/**/** ,I went to service centre to pickup my handset.but my handset not ready and damaged badly.he demanded money for repair.i told that yesterday my handset was not damaged and also you given messege that my handset is made ready then how it damaged today.but they misbehave with me and not ready to hear my argument.my handset is now in service centre.handset damaged by service centre mistake and demanding money for repair.i want new handset or properly repair handset under warranty.