Mahindra And Mahindra — unethical behaviour on mahindra

Address:

611001

I am devaraj and i am having mahindra quanto car and i gave my car to sri arn motors, thanjavur, tamilnadu, i gave my car for just oil change alone and the the car in good condition and the car smooth to drive before gave for service, now after a week a call came and they said the wiper motor was damaged and after a week they called and said there is a engine problem, then after a week they called and said there is a sound coming from the engine, they changed everything without asking permission to me and i am very disappointed with the service and they are not giving quike response and now they asking me more amount but they gave quatation for lesser amount and the car was in the service center for more than a month and my programes are pending due to the car service delay
Please do the need full imideatly
Name :devaraj
Mobile no:[protected]