Vespa — Breakdown of brakes of new scooty

I recently bought vespa zxl from akkayyapalem branch visakhapatnam. I gave it to second servicing after that my vehicle brakes has been failed in middle of the traffic. i called to the service centre but there is no proper response from service center they said that my brakes contact cable was broken.it just 2months before i bought the vehicle now it's been broken. Worst service i never had