Royal Enfield — poor service and damaging the vehicle parts

Address:

560068

I have left the vehicle for service in ecity motor in kudlu gate center on 27.9.18 after taking delivery the vehicle fountain that noise in rear wheel again i came for service center to show they told that there is an issue with wheel bearing and i told to go ahead but now they r telling that there is an issue in rear wheel hub saying that it has been broken and i visited to workshop to see that found that they have been hitter it by hammer while servicing resulting got damage in rear wheel hub i contacted to branch manager but there was no proper response and saying that u can complain anywhere else.
Now i need a replacement of the part