Mahindra And Mahindra — Turbo failure on my xuv300 2019 model with service records up to date

Hello
I own I mahindra xuv300 diesel 2019 model I had given my car for 4th paid service and got home after driving just 400kms my car started to make sound from engine I towed my car to service center they told the car turbo is failed I was just shocked as they told me because I had given my car to service up to day and just 400kms before they did service and I was informed that my car was perfectly fine now all of a sudden they are tell my car has turbo falure I am shocked a car well maintained driven just 35k kms has got turbo falure my car ran out of warranty just 8 months back service center is not giving me the reason for falure despite asking several times I am disappointed with mahindra and it's service
Service center details:- mahindra sireesh auto singasandra service 560068