Maruti Suzuki India — i'm complaining about service, after service i got it as damaged

Address:

AM MOTORS SERVICE CENTER, KOZHIKODE FEROKE, 673633

I'm jishnu p (Contact number: [protected]) i've given my alto 800 lxi for its 2nd service to the am motors service center at feroke last month. After service i received the vehicle with a body scratch. I made the complaint and they convinced me to rectify by repaint the damage part. But its not yet rectified by them. The damaged parts are back bumber, right side of the body
Vehicle number: kl-65-f-3564.